For the First Time Ever, the World Made More Electricity From Wind and Sun Than Gas
In April 2026, wind and solar produced 531 terawatt-hours of power worldwide — overtaking gas for the first time.
A Short Course of Immunotherapy Left Bowel Cancer Patients Cancer-Free for Nearly Three Years
In a UK trial, a few weeks of treatment before surgery worked so well that some patients didn't need surgery at all.
Two New Drugs Are Giving Pancreatic Cancer Patients Something Rare: More Time
One experimental drug doubled the odds of being alive after a year; another let patients live three to four times longer without the disease progressing.
From 27 Birds to More Than 500: The California Condor's Long Climb Back From the Brink
In 1987 every last condor was in captivity. Today over half of them fly free.
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Solar kits are changing what disaster relief looks like
BY THE OPTIMIST DAILY EDITORIAL TEAM Every morning in the camp at Teknaf, Bangladesh, Mohammed Saber climbs to the roof of his family’s bamboo-and-tarpaulin home and sets out a single rectangular solar panel. He has done
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The best places to volunteer this Thanksgiving: 17 options for every schedule
BY THE OPTIMIST DAILY EDITORIAL TEAM There’s a particular kind of motivation that kicks in around the holidays. You think: this year, I’m going to do something. You picture yourself in an apron at a soup kitchen, and it
An AI System Is Helping Doctors Crack the Hardest Rare-Disease Cases — and Show Its Work
A new 'agentic' system diagnoses rare diseases with reasoning doctors can actually follow and check.
Back From the Brink: America's Bald Eagle Soars From 500 Pairs to 14,000
Once down to fewer than 500 breeding pairs, the national bird has rebounded to roughly 14,000.
Doctors Built a One-of-a-Kind Gene Therapy for a Sick Baby — in Just Six Months
An infant with a rare metabolic disorder received a CRISPR treatment designed specifically for him, start to finish, in record time.
Scientists Just Put $17 Million Toward Teaching AI to Translate Animal Languages
The Earth Species Project is using machine learning to map the calls of whales, crows and zebras — and build the first 'dictionaries' of animal communication.
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Personalized brain therapy hits 68 percent remission for PTSD
BY THE OPTIMIST DAILY EDITORIAL TEAM A newly FDA-cleared treatment for PTSD reported 68 percent remission in clinical trials. The best-performing approved medications for the condition top out at around 10.9 percent. The
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8 surprising household uses for toothpaste, from a pro cleaner
BY THE OPTIMIST DAILY EDITORIAL TEAM Chances are, you’ve got a tube of toothpaste in your bathroom right now. If it’s only going on your teeth, you’re leaving a surprisingly useful cleaning tool sitting on your bathroom
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Maya Higa built a wildlife sanctuary on Twitch, funded by the people who watch it
This article is part of The Optimist Daily’s Local Changemakers 2026 series, spotlighting changemakers 30 and under. Earlier this year, on a trip to Dominica to learn about the sperm whales that live in those Caribbean w
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Stanford scientists discovered bleached coral can heal through touch
BY THE OPTIMIST DAILY EDITORIAL TEAM Two coral fragments fell over in a Stanford lab tank. When they touched, one healed the other. The bleached fragment, starved of the symbiotic algae that give coral both its color and
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How carbon credits helped unlock the Great Koala National Park in NSW
BY THE OPTIMIST DAILY EDITORIAL TEAM The Great Koala National Park might sound like a place that’s too good to be true, but it is real. After more than a decade of campaigning, three state elections, and over 14 hours of
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Astronomers discovered first green star ever. And it’s powered by a dead planet’s chemistry.
BY THE OPTIMIST DAILY EDITORIAL TEAM For most of human history, the night sky came in a limited palette. Orange for the cooler stars, white for something like our sun, pale blue for the hottest ones. The color of a star
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California legalizes balcony solar for renters and beyond
BY THE OPTIMIST DAILY EDITORIAL TEAM California just gave apartment renters a shot at solar. Governor Gavin Newsom signed a bill legalizing plug-in solar panels, also called balcony solar, clearing the way for a technolo
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Sardinian restaurants are banning phones for families at meals
BY THE OPTIMIST DAILY EDITORIAL TEAM The Italian federation of pediatricians designed a box of games to help parents ask their kids how their day went. Let’s think about this for a minute. A medical organization had to b
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Podcast Transcript October 30th, 2026— Kenya’s wildlife deal, Halloween tips across the ages, and EV energy security
Episode Description: A teenager built a supply distribution network where families request what they need without filling out any forms or declaring themselves as someone in need. She also added a program that researches
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How EV fleets are shielding Europe from oil price volatility
BY THE OPTIMIST DAILY EDITORIAL TEAM A new analysis by energy think tank Ember finds that six European countries collectively avoided close to $2.2 billion (approximately €2 billion) in oil import costs between March and
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The 7 best vegetables to plant if you want to offset rising grocery costs
BY THE OPTIMIST DAILY EDITORIAL TEAM Not every vegetable belongs in a backyard garden. Some take up space, demand attention, and still cost more to grow than to buy once you factor in seeds, soil, and the time it takes.
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Will vinegar actually keep bugs out this fall? Pest experts explain what works
BY THE OPTIMIST DAILY EDITORIAL TEAM As temperatures drop, bugs start looking for the same thing you do: somewhere warmer. If you’ve been reaching for the vinegar bottle as a first line of defense, you’re not alone. It’s
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Kenya unlocks $160 million to protect the Maasai Mara and Tsavo ecosystems
BY THE OPTIMIST DAILY EDITORIAL TEAM Kenya committed $160 million over ten years to protect 173,000 square kilometers (roughly 67,000 square miles, or 17.3 million hectares) across some of the least-disturbed land in Afr
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Student Makers, a deeper dive: bringing free STEM to students on three continents
BY THE OPTIMIST DAILY EDITORIAL TEAM This article kicks off The Optimist Daily’s Local Changemakers 2026 series, spotlighting changemakers 30 and under. It was winter break, and Dilan Mehta had time on his hands. His dad
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Meet Vivian Ho: the 17-year-old who built a supply network around dignity, not charity
BY THE OPTIMIST DAILY EDITORIAL TEAM This article is part of The Optimist Daily’s Local Changemakers 2026 series, spotlighting changemakers 30 and under. Most social programs ask you to declare yourself before they’ll gi
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New Jersey Transit is turning commuter stations into art galleries
BY THE OPTIMIST DAILY EDITORIAL TEAM Most people moving through a train station aren’t really paying attention. They’re somewhere between where they left and where they’re going, phone out, eyes on the platform. Putting
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5 research-backed ways to banish aches and feel better at your desk
BY THE OPTIMIST DAILY EDITORIAL TEAM Researchers at Columbia University Medical Center wanted to answer a specific question: what is the least amount of movement needed to offset the effects of prolonged sitting? In 2023
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NYC food pantries are now stocking pet food for struggling households
BY THE OPTIMIST DAILY EDITORIAL TEAM If you’ve ever moved a bit of food off your own plate just so your dog could eat, too, then you know the feeling this program is trying to address. It’s a pretty common one in New Yor
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Age-by-age Halloween tips from a board-certified pediatrician
BY THE OPTIMIST DAILY EDITORIAL TEAM Halloween might be the one night a year when the whole family ends up outside together, moving through the neighborhood in the dark. Whether that ends in magic or meltdown depends alm
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Podcast Transcript October 23rd, 2026— Hungary repeals anti-LGBTQ law, world’s tallest wind turbine, and why fall makes you reach for reruns
Episode Description: Germany just finished building the world’s tallest wind turbine: 1,197 feet tall, and built without a crane. They had to invent an entirely new construction method, because cranes don’t go that high.
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New research identifies the exact spot where Alzheimer’s protein tangles lock in
BY THE OPTIMIST DAILY EDITORIAL TEAM Researchers at Northwestern University and UC Santa Barbara identified a specific contact point on tau proteins where the misfolding that drives Alzheimer’s disease begins. The findin
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The Giving Grove: how Kansas City’s free community orchards became a national model
BY THE OPTIMIST DAILY EDITORIAL TEAM It is harvest time in Kansas City, and at Kansas City Academy, students are stepping outside during lunch to pick jujubes straight off the trees. “I feel like a fairy tale princess ev
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How kites and ancient design are replacing fuel in Antarctic exploration
BY THE OPTIMIST DAILY EDITORIAL TEAM The last time a team completed a comparable crossing of Antarctica’s interior, they burned through roughly 170,000 liters (about 45,000 gallons) of fuel to do it. The Wind Sled expedi
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Is this nut the most underrated sleepy-time snack? Here’s what the sleep research says
BY THE OPTIMIST DAILY EDITORIAL TEAM You’re doing everything right at bedtime: you stay away from screens after nine, take a soothing dark shower, sip on that herbal tea cooling on the nightstand, and maintain a reasonab
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Fall nostalgia: why your nervous system reaches for reruns when autumn arrives
BY THE OPTIMIST DAILY EDITORIAL TEAM Every fall, something happens in the body before it happens in the mind. The smell of wood smoke drifting through a cracked window, the particular weight of October light slanting acr
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World’s tallest wind turbine reaches 1,197 feet in Germany
BY THE OPTIMIST DAILY EDITORIAL TEAM The world’s tallest wind turbine just reached full height in Germany. GICON‘s pilot turbine in Schipkau, eastern Germany, now stands 365 meters (1,197 feet) tall from base to blade ti
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A Dutch startup is making concrete that grows its own moss
BY THE OPTIMIST DAILY EDITORIAL TEAM Most building materials are designed to resist the elements, to stay sealed and unchanged for as long as possible. Respyre, a Dutch startup, is working from the opposite premise. The
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The surprising history of pumpkins: from ancient staple to autumn icon
BY THE OPTIMIST DAILY EDITORIAL TEAM Pumpkin spice lattes, jack-o’-lanterns, and Thanksgiving pies: pumpkins are the unofficial mascots of fall. But behind their seasonal charm lies a deeper, more complicated story that
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How one small device is solving the apartment solar access problem
BY THE OPTIMIST DAILY EDITORIAL TEAM An Australian device that splits rooftop solar power across an entire apartment building just won the country’s top design honor. Melbourne-based Allume Energy took the 2026 Australia
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Hungary repeals anti-LGBTQ law, unlocking billions in EU funds
BY THE OPTIMIST DAILY EDITORIAL TEAM Hungary’s parliament voted last Tuesday to repeal the 2021 Child Protection Law that banned the portrayal or promotion of homosexuality and transgender identities in schools and media
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Podcast Transcript October 16th, 2026— Flu is already spreading: why October is the window to get vaccinated, plus nine more solutions
Episode Description: Arielle and Karissa cover ten solutions this week, including 20,000 octopuses hiding in well-studied waters off the California coast, what Indonesian mosque loudspeakers have to do with earthquake su
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What to leave alone in your garden this October to help overwintering bees
BY THE OPTIMIST DAILY EDITORIAL TEAM Every fall there’s a pull to tidy things up. Cut back the perennials, rake the leaves, clear the beds, put the garden to rest. It feels satisfying, honestly, and spring does seem to s
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What sets Japanese sweet potatoes apart, nutritionally speaking
BY THE OPTIMIST DAILY EDITORIAL TEAM If you’ve bought a Japanese sweet potato, cut into it expecting orange, and found creamy white instead, you’ve already spotted the first thing that sets it apart. The skin is reddish-
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6 smart things to do with an empty egg carton before you toss it in the recycling bin
BY THE OPTIMIST DAILY EDITORIAL TEAM There’s a half-second every time you finish a carton of eggs. The lid flops open, the last two slots are empty, and you’re already reaching for the recycling bin. Before you do: cardb
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Indonesia’s mosque loudspeakers might save lives during natural disasters
BY THE OPTIMIST DAILY EDITORIAL TEAM The hardest part of any early warning system isn’t the science. It’s finding infrastructure that reaches everyone, holds up under pressure, and gets maintained over years by the peopl
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Why October is the best time to get your flu shot this year
BY THE OPTIMIST DAILY EDITORIAL TEAM Flu season usually builds in late fall, but this year it’s getting a jump start. During the week ending September 26, 3.4 percent of respiratory samples tested by clinical labs came b
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Scientists discovered the world’s largest octopus nursery off the California coast
BY THE OPTIMIST DAILY EDITORIAL TEAM Most of the deep seafloor is cold, dark, and barely mapped. The Monterey Bay National Marine Sanctuary covers more than 6,000 square miles of ocean along California’s central coast an
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The common skin care mistakes dermatologists say are working against your routine
BY THE OPTIMIST DAILY EDITORIAL TEAM There’s a particular kind of Sunday evening spiral that happens when you’ve spent twenty minutes reading about an ingredient you’ve never heard of, and you’re now convinced your entir
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How a floating shade can help coral survive a marine heatwave
BY THE OPTIMIST DAILY EDITORIAL TEAM When divers installed floating shade structures over 20 colonies of brain coral in the lower Florida Keys in August 2024, the corals underneath began recovering their color. The 20 co
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How to quiet performance anxiety, according to sport psychology
BY THE OPTIMIST DAILY EDITORIAL TEAM You know that moment. The job interview is starting in 30 seconds, and your brain decides now is the perfect time to replay every mistake you’ve ever made. Or you’re halfway through a
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Australia sets a new renewable energy record, with rooftop solar leading the way
BY THE OPTIMIST DAILY EDITORIAL TEAM On Saturday, September 22, solar and wind met 80.4 percent of demand on Australia’s national electricity market, with the grid covering the eastern states, South Australia, and the Au
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Podcast Transcript October 9th, 2026— (Guest Interview) A place to breathe: inside #CreateConnectCare, the youth mental health program giving young people a voice | World Mental Health Day 2026
Episode Description: If you have a teenager in your life and you’ve felt them pull away from conversations you used to have easily, this episode is for you. Kathy Saulitis has spent three years going through what young p
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The floating scarecrow saving seabirds from fishing nets
BY THE OPTIMIST DAILY EDITORIAL TEAM A bird-shaped kite and a floating scarecrow with spinning eyes reduced seabird deaths in Cornish fishing nets by up to 71 percent in a two-year trial. The devices cost relatively litt
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Coffee’s memory boosting effect might have nothing to do with caffeine, study suggests
BY THE OPTIMIST DAILY EDITORIAL TEAM In a small experiment, researchers found that only participants who drank decaffeinated coffee showed significant improvements on memory tests. Those who drank caffeinated coffee did
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Berlin mapped 900,000 street trees. Now 12,000 people water them.
BY THE OPTIMIST DAILY EDITORIAL TEAM Amanda Gläser-Bligh named her street tree Linda. Linda is a linden, eight years old, growing outside Gläser-Bligh’s apartment building in Charlottenburg, and once a week during Berlin
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London’s Oxford Street gets fully pedestrianized this month: here’s what that means
BY THE OPTIMIST DAILY EDITORIAL TEAM Oxford Street, one of the busiest shopping streets in the world, goes traffic-free on October 26. London Mayor Sadiq Khan announced the closure of the stretch from Orchard Street to G
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Fatima Ezzahra El Mansouri becomes Morocco’s first woman prime minister
BY THE OPTIMIST DAILY EDITORIAL TEAM On September 29, King Mohammed VI appointed Fatima Ezzahra El Mansouri as Morocco’s prime minister, making the 50-year-old urban planner and longtime mayor of Marrakesh the first woma
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How to choose running shoes: what a physical therapists wants you to know
BY THE OPTIMIST DAILY EDITORIAL TEAM The running boom shows no sign of slowing, and the shoe market has followed with thicker foams, carbon-fiber plates, and marketing claims that more technology means less injury and fa
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Social physiology: the hidden health cost of eating alone, according to science
BY THE OPTIMIST DAILY EDITORIAL TEAM A study published in Science Advances found that eating the same meal with a close companion produces measurably better blood sugar control than eating it alone. In experiments with 1
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6 things that will bring more birds to your backyard this autumn
BY THE OPTIMIST DAILY EDITORIAL TEAM If you’ve ever caught a flash of movement in the branches in early October – something small and unfamiliar, not the usual backyard regulars – there’s a good chance it was a migrating
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Wisconsin’s first certified Shinrin-yoku trail is open to everyone
BY THE OPTIMIST DAILY EDITORIAL TEAM Think about the last time you went for a walk in the woods. Were you listening to a podcast? Checking your step count? Moving fast enough to feel productive, already running through e
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DeafCity Hub and the fight to build a space where sign language can live and thrive
BY THE OPTIMIST DAILY EDITORIAL TEAM Sign language interpreters at rap concerts go viral for a reason. There’s something genuinely arresting about watching BSL in full flight: the expressiveness, the grammar operating in
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Podcast Transcript October 2nd, 2026— A wildlife overpass, a solar train, and Japan’s massive centenarian population
Episode Description: This week Arielle and Karissa cover the Colorado wildlife overpass that came in $15 million under budget and brought pronghorn back to habitat they hadn’t reached in decades, what Japan’s 107,000-plu
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How a simple urine test could spare most women from invasive womb cancer procedures
BY THE OPTIMIST DAILY EDITORIAL TEAM Researchers at the University of Manchester developed a non-invasive womb cancer test that correctly identified most cancers and returned a negative result for 93 percent of women who
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Fighting dengue with sterile insects: Lisbon’s experimental approach
BY THE OPTIMIST DAILY EDITORIAL TEAM Portugal has released 30,000 sterile male mosquitoes in Lisbon as part of a push to bring down populations of the Asian tiger mosquito (Aedes albopictus), a species that can carry den
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The herbs and spices dietitians say support immune function
BY THE OPTIMIST DAILY EDITORIAL TEAM Every fall, the same conversation starts about how to stay well through cold and flu season. Most of the advice points to supplements: vitamin C, zinc, elderberry. Useful, but not the
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How Argentina’s battery-powered Tren Solar is recharging an ancient Andean route
BY THE OPTIMIST DAILY EDITORIAL TEAM There are places where the land itself seems to generate energy. The Quebrada de Humahuaca in Jujuy province, in Argentina’s far northwest, is one of them. At altitude, in clear deser
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Why noise is an underestimated health hazard and what to do about it
BY THE OPTIMIST DAILY EDITORIAL TEAM Most of the damage noise does to your body is preventable, and the tools you need are either free or already in your pocket. The missing piece, for most people, is understanding what
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Dolly Parton’s Imagination Library doubles its London reach even after her death
BY THE OPTIMIST DAILY EDITORIAL TEAM Dolly Parton launched the Imagination Library in 1995 on a premise that hasn’t changed since: send a free book to every registered child under five, once a month, for the first years
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What Japan’s 107,677 centenarians reveal about diet, lifestyle, and aging
BY THE OPTIMIST DAILY EDITORIAL TEAM There are 107,677 people in Japan who are currently aged 100 or older, according to recently released health ministry figures. That puts Japan ahead of every other country for centena
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Colorado’s largest wildlife overpass cut I-25 collisions by 91 percent
BY THE OPTIMIST DAILY EDITORIAL TEAM Nine months in, North America’s largest wildlife overpass has cut vehicle collisions on a stretch of Interstate 25 in Colorado by 91 percent. Before it opened, that corridor was avera
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Soft productivity is the smarter way to work, and here’s how to start
BY THE OPTIMIST DAILY EDITORIAL TEAM There’s a kind of workday most of us know too well. You’re logged on early, you barely step away for lunch, and by 6 pm you’re not entirely sure what you have to show for it. The cale
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Athens’ former airport is becoming Europe’s largest coastal urban park
BY THE OPTIMIST DAILY EDITORIAL TEAM Two million square meters of former airport land in the southern suburbs of Athens are being converted into The Ellinikon Park. The park is designed to actively lower surrounding air
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Podcast Transcript September 25th, 2026— The tilcayo, cancer-sniffing dogs, and 8 more things going right
Episode Description: There’s a startup training dogs to detect cancer across seven types… and there’s over 90 percent accuracy across six hospitals. This week Arielle and Karissa also cover a wildcat species science just
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Ethiopia’s Green Legacy Initiative is turning citizens into foresters
BY THE OPTIMIST DAILY EDITORIAL TEAM For most of the past century, Ethiopia was losing its forests. From the turn of the millennium to 2025, the country shed 560,000 hectares, about 2,160 square miles, of tree cover to a
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How book clubs and bedtime stories protect and build healthier brains
BY THE OPTIMIST DAILY EDITORIAL TEAM If the book on your nightstand has been gathering dust, here’s your reason to finally open it. A new review from Cambridge University researchers finds that reading for pleasure, whet
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From 2.6% to 97%: how South Korea eliminated food waste and what NYC can learn
BY THE OPTIMIST DAILY EDITORIAL TEAM In Yeouido, Seoul, Seunghwan Hong spends less than a minute dropping off his food scraps. He taps a card, the lid opens, and the bin logs the weight. Whatever he throws in, he pays fo
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The tilcayo: new wildcat species discovered in Bolivia’s cloud forest
BY THE OPTIMIST DAILY EDITORIAL TEAM For years, biologists cataloguing Bolivia’s Yungas cloud forest would note a small spotted cat and move on. Tiger cat, broadly speaking. The general profile fit and there was no obvio
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How Reefvive is rebuilding coral reefs from discarded oyster shells
BY THE OPTIMIST DAILY EDITORIAL TEAM Most artificial reef structures are built from concrete. Concrete is smooth, and smooth surfaces give young coral little to grip. A team of students at National Taiwan Normal Universi
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Pomegranates and berries produce a gut metabolite that may improve IBD outcomes
BY THE OPTIMIST DAILY EDITORIAL TEAM Gut bacteria that break down compounds in pomegranates, walnuts, and berries produce a metabolite called urolithin A. New research from the University of Louisville shows this compoun
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From fire starters to compost: what to do with dryer lint
BY THE OPTIMIST DAILY EDITORIAL TEAM If you clean your dryer’s lint trap after every load, you end up with a soft little cloud of fiber in your hand pretty regularly. Most people drop it straight in the trash, and that i
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Mexico’s desert ecosystem is healing months after bison reintroduction
BY THE OPTIMIST DAILY EDITORIAL TEAM The 200-year absence of bison from Mexico’s Chihuahuan Desert left a gap that most people stopped noticing. Grass accumulated unchecked, soil compacted, fire risk crept upward. Wildli
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Can dogs sniff out cancer? New AI study shows promise
BY THE OPTIMIST DAILY EDITORIAL TEAM A company in India is reporting more than 90 percent accuracy in detecting seven types of cancer from breath samples. The diagnostic engine is artificial intelligence, trained on data
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How revisiting old memories can build real self-esteem
BY THE OPTIMIST DAILY EDITORIAL TEAM Think about a memory that still makes you wince. Maybe it is the time you said something embarrassing in front of people you wanted to impress, or the moment you felt out of place whi
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Podcast Transcript September 18th, 2026— A 450-year map mistake gets corrected by 164 countries, plus nine more solutions
Episode Description: Most world maps show Greenland and Africa as roughly the same size… which is kind of unbelievable considering Africa is 14 times larger! This error has been built into classrooms, boardrooms, and ins
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Berlin’s REWE supermarket: the grocery store with a working rooftop farm
BY THE OPTIMIST DAILY EDITORIAL TEAM The lettuce in REWE’s Lankwitz store in Berlin has had a short morning. Grown on the rooftop farm directly above, cut, packaged by hand, and carried downstairs before most shoppers wa
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8 low-cost hobbies that add hours of joy to your week
Image alt text: Hands carefully pressing colorful flowers between the pages of an open book on a wooden table surrounded by dried botanicals and greenery Research has put a number on the value of a good hobby: eight hour
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Travel scams have gotten harder to spot. Here’s what changed and what to watch for.
BY THE OPTIMIST DAILY EDITORIAL TEAM The old cues for spotting a scam are becoming unreliable. Misspelled words, strange formatting, unfamiliar sender names, requests that arrive completely out of nowhere: those signals
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The world’s largest battery-electric ferry just crossed an ocean
BY THE OPTIMIST DAILY EDITORIAL TEAM In 2019, a South American transport company ordered a diesel ferry. By the time it launched six years later, it had become the largest electric vehicle ever built, of any kind, on lan
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Baked Bites: how Frisco students turned a passion for baking into a force for community change
BY THE OPTIMIST DAILY EDITORIAL TEAM At a Baked Bites pop-up in Frisco, Texas, the transaction looks simple: you place a pre-order, you pick up a homemade cookie. Buried inside that small exchange, though, is something m
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The world’s first solar ambulance just completed its first real-world test in rural Kenya
BY THE OPTIMIST DAILY EDITORIAL TEAM The question most ambulances are designed to answer is how fast a patient can reach a hospital. In the Narok region of Kenya, where long distances and unreliable electricity make qual
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Elementic’s MO6 is the building material claiming to lock away carbon for thousands of years
BY THE OPTIMIST DAILY EDITORIAL TEAM Lignin is the part of wood that paper mills and timber companies tend to get rid of. It comes off as a byproduct when wood is processed, resists most conventional uses, and usually en
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The Mercator map has distorted Africa’s size for 450 years. The UN just voted to replace it.
BY THE OPTIMIST DAILY EDITORIAL TEAM On most world maps hanging in classrooms, conference rooms, and government offices around the world, Greenland and Africa look roughly the same size. The reality is that they are not.
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The gardening window most people miss: late summer and early fall weed control
Image alt text: Close-up of dandelion seed heads and crabgrass growing between garden bed plants in late summer A single dandelion, left to finish its summer in the garden, can drop thousands of seeds. Those seeds can li
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How Colombia’s outgoing president protected 42% of the country’s Amazon from mining
Image alt text: Dense green Amazon rainforest canopy photographed from above in Colombia with a winding river below On August 4, 2026, three days before he left office, Colombian President Gustavo Petro signed a resoluti
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Podcast Transcript September 11th, 2026— NYC bans AI for 500,000 students, and seven other solutions
Episode Description: An approach to treating degenerative blindness has been in development for more than ten years across research institutions in Spain. The result is not a surgery, a gene therapy, or an implant. It is
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Heart failure and valve disease spotted in seconds by new AI ECG tool
BY THE OPTIMIST DAILY EDITORIAL TEAM In a trial of 67,000 patients, an AI tool identified heart failure in up to 81 percent of cases and heart valve disease in up to 90 percent, all from a standard electrocardiogram (ECG
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How offshore wind foundations became accidental reef habitat
BY THE OPTIMIST DAILY EDITORIAL TEAM When engineers drove 54 steel cylinders into the sandy seafloor southeast of Long Island to anchor Empire Wind 1’s turbines, the goal was simple: keep 810 megawatts of generating capa
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New heart attack guidelines correct decades of under-diagnosis in women
BY THE OPTIMIST DAILY EDITORIAL TEAM The world’s four leading cardiovascular health organizations just agreed on a universal heart attack definition for the first time. The announcement came at the European Society of Ca
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NYC schools issue the country’s broadest AI ban, covering pre-K through eighth grade
BY THE OPTIMIST DAILY EDITORIAL TEAM New York City Public Schools, the nation’s largest school district, is banning generative AI for all students in pre-kindergarten through eighth grade for the 2026-2027 school year. M
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A simpler path to treating degenerative blindness: photoswitchable eye drops
BY THE OPTIMIST DAILY EDITORIAL TEAM Scientists at the Institute for Bioengineering of Catalonia developed light-activated compounds that restored light perception and visually guided behavior in blind animal models, wit
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Beyond the thrift store: where your donations do more good
THE OPTIMIST DAILY EDITORIAL TEAM When you’re decluttering, the thrift store is the obvious first move. Drop it off, and it’s done. But a lot of what people donate there sits on a rack for weeks and then gets tossed anyw
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The neuroscience of motivation: what orexin neurons reveal about staying the course
BY THE OPTIMIST DAILY EDITORIAL TEAM Researchers at Nagoya University identified orexin-producing neurons as the brain’s apparent mechanism for deciding whether a reward is worth pursuing. Published in the Proceedings of
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At-home urine test spots bladder cancer in nine of ten cases
BY THE OPTIMIST DAILY EDITORIAL TEAM In an NHS trial of nearly 1,000 patients across seven hospitals in England and Scotland, an at-home urine test detected 92 percent of bladder cancer cases. When the result came back n
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Podcast Transcript September 4th, 2026— AI music banned from Australia’s charts, Roman telescope launches, a biodegradable balloon and much more!
Episode Description: Arielle and Karissa are reunited after a few weeks apart, covering a wide range of solutions this episode: a new telescope that survived two White House cancellation attempts, the decade-long trial t
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Why managers struggle with coaching and what the research says to do instead
BY THE OPTIMIST DAILY EDITORIAL TEAM Ask any organization whether they invest in coaching, and you’ll almost certainly get a yes. It’s a stated priority, a line item in leadership development budgets, a topic in manageme
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Statins reduce heart attack risk in healthy adults over 70, decade-long trial confirms
BY THE OPTIMIST DAILY EDITORIAL TEAM A decade-long clinical trial of nearly 10,000 adults aged 70 and over has found that daily statins reduce the risk of a first major cardiac event by 30 percent, with no significant in
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NASA’s Roman space telescope heads to deep space after surviving budget cuts
BY THE OPTIMIST DAILY EDITORIAL TEAM A space telescope with 100 times the sky coverage of Hubble lifted off from Florida this past Sunday. Astronomers have been waiting nearly a decade for this. The Nancy Grace Roman Spa
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How to choose a fertility clinic: what reproductive endocrinologists look for
BY THE OPTIMIST DAILY EDITORIAL TEAM There’s a lot tangled up in choosing a fertility clinic. Some of it is practical: where is it, what does it cost, what are their numbers. Some of it is harder to put into words, like
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Climate attribution science just changed the rules for fossil fuel lawsuits
BY THE OPTIMIST DAILY EDITORIAL TEAM Scientists can now draw a straight line from a single oil company’s emissions to a specific disaster. Not a rough estimate of the industry’s overall contribution, but a specific compa
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8 clever ways to reuse spice jars around the house
BY THE OPTIMIST DAILY EDITORIAL TEAM Most spice jars get rinsed and recycled. A few get left on the counter until someone throws them away. Almost none get a second life, and professional organizers say that’s worth reco
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Meet the Bioloon: the biodegradable balloon aiming for shelves by 2028
BY THE OPTIMIST DAILY EDITORIAL TEAM Balloons have always been made from natural latex, a material derived from rubber tree sap. Natural latex is biodegradable. The rubber tree has been producing it since before the firs
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The Reddit-popular five-minute productivity rule that truly works for procrastinators
BY THE OPTIMIST DAILY EDITORIAL TEAM Most to-do lists have two kinds of items on them: the real work you’re managing, and the small things that keep getting moved to tomorrow. Reply to that email. File that paper. RSVP t
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What counts as real music? Australia’s charts just drew a line.
BY THE OPTIMIST DAILY EDITORIAL TEAM For 16 weeks, an AI-generated variation of Madonna’s “Like a Prayer” sat in Australia’s top 20 singles chart. At its peak, it hit number two. Listeners streamed it, and the chart coun
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Your guide to September’s best night sky events in 2026
BY THE OPTIMIST DAILY EDITORIAL TEAM September is a transition month for the sky. The Milky Way‘s core is still visible in the Northern Hemisphere, but not for much longer. The nights are getting longer, Venus is at its
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Podcast Transcript August 28th, 2026— Niger restored 5 million hectares without planting a single tree plus nine other things going right
Episode Description: Karissa hosts solo this week while Arielle recovers, covering ten solutions including the world’s first wild bird flu vaccination program for Phillip Island’s little penguins, France making unsolicit
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6 useful things to donate before back-to-school season this year
BY THE OPTIMIST DAILY EDITORIAL TEAM Back-to-school season is a great time to donate. Kids have outgrown things. Backpacks didn’t survive the year. Notebooks never got opened. Most of it ends up in the trash, and a small
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Phillip Island’s little penguins are getting bird flu vaccines in a world-first program
BY THE OPTIMIST DAILY EDITORIAL TEAM Little penguins are the world’s smallest species of penguin, standing about the height of a ruler, found only in southern Australia and New Zealand. Every night on Phillip Island in V
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The case for eating blueberries every day, according to a nutritionist
BY THE OPTIMIST DAILY EDITORIAL TEAM There’s a specific kind of health advice that asks a lot of you: meal prep, supplements with confusing ingredient lists, routines that cost more than they should. Blueberries aren’t t
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Baltimore reimagines what 911 can do, with $400 million to back it up
BY THE OPTIMIST DAILY EDITORIAL TEAM In March, mental health clinician Michala Williams met a 38-year-old woman sobbing in the front seat of her car in a McDonald’s parking lot. The woman had called 911. She had children
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London’s clean-air zone is linked to faster lung growth in children, a new study finds
BY THE OPTIMIST DAILY EDITORIAL TEAM For years, researchers knew that air pollution stunts lung development in children. What they hadn’t been able to show was whether cleaning up the air could actually change that traje
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In France, peace and quiet is now a legal right by banning unsolicited cold calls
BY THE OPTIMIST DAILY EDITORIAL TEAM Ninety-seven percent of French people find telemarketing calls annoying. A 2025 parliamentary report called it “one of those rare issues that unites people in France.” The government
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The world hit 3 terawatts of solar power faster than anyone predicted
BY THE OPTIMIST DAILY EDITORIAL TEAM The first terawatt of global solar capacity took nearly 68 years to reach. The second arrived in roughly two years. The third came in 19 months. The world crossed the 3-terawatt mark
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Back-to-school shopping without the meltdown: How to keep trends and budgets in check
BY THE OPTIMIST DAILY EDITORIAL TEAM For parents of tweens and teens, August often brings the same showdown: a wish list brimming with the latest must-have styles and a budget that’s not budging. That water bottle your k
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Student Makers: teen volunteers are teaching STEM across three continents
BY THE OPTIMIST DAILY EDITORIAL TEAM In 2022, a group of high schoolers designed 150 LEGO-inspired airplane kits, 3D-printed them one by one, assembled them by hand, and shipped them to a school in Kenya. How is that for
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How Niger restored 5 million hectares without planting a single tree
BY THE OPTIMIST DAILY EDITORIAL TEAM In 1983, an Australian agricultural adviser named Tony Rinaudo was working in the Sahel when he noticed something that didn’t fit the picture everyone had of the region. The land look
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Podcast Transcript August 21st, 2026— (Guest Interview) Catch up with Kristy: clean energy, leaving California, and embracing the slow life
Episode Description: Many of the long-time listeners of The Optimist Daily’s podcast will recognize Kristy Jansen’s voice. She’s the former co-host and Executive Director of this show, and she’s back, joining Arielle and
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Maternal RSV vaccine cuts newborn ICU admissions in half
BY THE OPTIMIST DAILY EDITORIAL TEAM Good news! In the UK, only 63 infants were admitted to intensive care with RSV infection last winter, which is down from 131 the year before. Same 20 hospitals, same surveillance syst
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How to help an anxious kid through back-to-school season
BY THE OPTIMIST DAILY EDITORIAL TEAM If you’ve ever driven away from school while your kid was still crying at the door, you know the horrible feeling. The half-formed urge to turn the car around. The uncertainty about w
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Australia’s biggest gun reform in 30 years kicks off this November
BY THE OPTIMIST DAILY EDITORIAL TEAM Eight months after a shooting at a Hanukkah celebration in Bondi Beach killed 15 people, Australia is following through. New South Wales starts a gun buyback on November 2, Prime Mini
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Are algae oil supplements worth taking? Here’s the evidence
BY THE OPTIMIST DAILY EDITORIAL TEAM There’s a pattern in the supplement industry that tends to repeat itself. Researchers find that people who eat foods rich in a particular nutrient have better health outcomes. Compani
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Rage workouts don’t calm you down, research finds. Here’s what does.
BY THE OPTIMIST DAILY EDITORIAL TEAM Slamming tires with a sledgehammer, pummeling a punching bag, running yourself into the ground when you’re furious: the premise behind rage workouts is that intense physical exertion
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Why the poo taboo has held back a killer disease, and what’s changing
BY THE OPTIMIST DAILY EDITORIAL TEAM There is a disease that kills more than one million people a year, nearly half of them children under five, and it rarely breaks through in global health coverage. Researchers have a
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5 phrases to teach kids that will serve them for life
BY THE OPTIMIST DAILY EDITORIAL TEAM You spend the first few years of your kid’s life repeating words back to them, hoping one will stick. “Mama.” “Dada.” “Ball.” And then suddenly you’re coaching them through “please” a
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Rooftop rainwater could break cities’ air conditioning trap
BY THE OPTIMIST DAILY EDITORIAL TEAM Air conditioning is making cities hotter, and that’s not incidental. It’s the physics. Every AC unit pulls heat from inside a building and dumps it into the street, which raises outdo
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Beard dandruff remedies dermatologists swear by
BY THE OPTIMIST DAILY EDITORIAL TEAM If you’ve put real time into growing and grooming your beard, discovering a film of flakes underneath it can feel so unfair. All that trimming, all those oils, and somehow your skin i
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Rainforest biodiversity rebounds within a single generation
BY THE OPTIMIST DAILY EDITORIAL TEAM Cleared tropical rainforests can recover 90 percent of their species diversity within a single human generation, according to new research from Ecuador’s Chocó region, one of the most
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Podcast Transcript August 14th, 2026— Taking our own advice on slowing down this summer
Episode Description: Arielle checks in solo to explain why the Kristy guest episode is getting a little more time. Both she and Karissa have been doing what they always say matters most: showing up, fully present, for th
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Your Neanderthal genes may be building your muscles
BY THE OPTIMIST DAILY EDITORIAL TEAM People who carry a Neanderthal version of the growth hormone receptor have, on average, 271 additional grams of muscle compared with those who don’t. People who inherited the variant
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The sun’s surface has whirlpools. Here’s why they may be the engine behind space weather.
BY THE OPTIMIST DAILY EDITORIAL TEAM There’s something slightly odd about the fact that we’ve had solar telescopes for more than a century and still couldn’t quite see the sun’s surface. We’re already aware of the big st
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The physical effects of heavy phone use (aka tech neck) and how to address them
BY THE OPTIMIST DAILY EDITORIAL TEAM Cervical spine surgeon K. Daniel Riew at Och Spine at New York-Presbyterian/Weill Cornell Medical Center has started seeing patients in their 20s. That age group rarely appeared in hi
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Bioengineered gum could expand treatment options for oral cancer patients
BY THE OPTIMIST DAILY EDITORIAL TEAM A bioengineered chewing gum cut HPV levels by 93 percent in oral samples from head and neck cancer patients, in new research from the University of Pennsylvania. The same formulation,
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Europe’s electric flight era could begin within four years
BY THE OPTIMIST DAILY EDITORIAL TEAM Electric aircraft startups have been promising a lot for a long time. Two of them are now close enough to matter. Battery-electric and hybrid planes with a range of up to 500 kilomete
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Bullfrog protein could be antidote to shellfish poisoning
BY THE OPTIMIST DAILY EDITORIAL TEAM Paralytic shellfish poisoning, a severe and potentially fatal foodborne illness, has no specific antidote. The neurotoxin responsible, saxitoxin, is classified as a chemical weapon un
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What forest bathing does to your body, and the 5 best places to try it
BY THE OPTIMIST DAILY EDITORIAL TEAM You probably already know the feeling, even if you’ve never had a name for it. The way your shoulders drop and relax the moment you step under a canopy of trees. How the breath comes
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Sweden to ban forever chemicals from kitchens and clothing by 2028
BY THE OPTIMIST DAILY EDITORIAL TEAM Sweden announced on July 23 that it will ban per- and polyfluoroalkyl substances from consumer products by January 1, 2028. The list covers clothing, shoes, waterproofing agents, kitc
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New Mexico court orders Meta to pay $942m over child harms
BY THE OPTIMIST DAILY EDITORIAL TEAM New Mexico just became the first state to hold Meta financially liable for harms to children’s mental health. The total bill is now $942m. The new ruling, handed down last week on Thu
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Children learn to be alone through love, not distance
BY THE OPTIMIST DAILY EDITORIAL TEAM There is something that makes adults uneasy about a child playing alone. A kid absorbed in something private at a playground edge, a bedroom door closed for an afternoon. These scenes