Science
ArchiveIf you're going to be outside, get yourself a good weather-radar app and learn how to use it
This new calorie calculator uses an equation developed by the U.S. military to estimate energy expenditure while hiking
The ketogenic diet is all the rage in the fitness world. But does it really make athletes healthier, stronger, or faster?
New research suggests that a month of probiotic supplementation reduces GI symptoms in runners
Want to know what the weather is going to look like? Ask your knees.
The popular self-massage devices have a devoted following, but the evidence for their benefits is murky
This $18 piece of gear will hold a shower beer, a shower LaCroix, or even a shower coffee
To raise strong, independent kids, you need to let them make some brave choices
No one has done more to sound the alarm about climate change than Bill McKibben. We asked him: is there any hope at all?
Before his controversy-plagued doubled ascent in 2017, the Spanish ultra star deployed the latest altitude science to speed his high-altitude adaptation
I drank the stuff for two weeks and lived to tell the tale. I'm still skeptical about the health benefits.
In his new animated feature, Chris Butler adds a contemporary twist to an old-fashioned tale
To counteract caffeine tolerance, new research suggests you need to swear it off temporarily
The Twitter CEO only eats between 6:30 p.m. and 9:30 p.m. You definitely should not emulate his habits.
The canceled all-women space walk had the space administration facing claims of sexism. But the real issue is not a lack of women-specific designs; it's suits that don't fit the wide range of people who need to wear them.
A study of the cognitive and psychological effects of outdoor cycling finds equal results for normal bikes and e-bikes
America's public lands can help solve the climate crisis instead of contributing to it
Two new podcasts are telling stories about climate and environmental change—and giving us a venue for considering the future
In a new study, mountain hiking had similar psychological and stress-reducing benefits whether or not there were signs of human habitation
Josh Morgerman is an obsessive stormchaser. As hurricanes grow fiercer and more destructive, what does it mean to be someone who loves them?
A simple questionnaire assessing self-regulatory skills—planning, self-monitoring, evaluation, reflection—offers clues about who will push themselves to a sports injury
It's a question of safety numbers versus safety in numbers
Yes, the physiology and biomechanics of treadmill running are a little different. But how you feel about it is probably more important.
Everyone is recommending the stuff on Twitter, so we looked into the research to see if the hype is backed by science
The hype around the technology has raced ahead of the evidence. Now the evidence may be catching up.
Nearly everything people think is true about living their best life is wrong
When the going gets tough, reach for these high-energy tracks recommended by our editors
Researchers dig into the nitty-gritty of interval training, with insights of what, why, and how you should train for different goals
A new book shows you how to get into the mindset that leads to mastery and peak performance
Apparently, misery does love company (in a way). So gather your friends and go have some miserable fun!
The Youth Climate Strike is working to shut down schools across the country on March 15 to demand that world leaders act on preventing climate change
All signs point to active weather continuing into the warmer months, which will bring a litany of new hazards
A new statistical approach brings sophisticated probability analysis to the future of marathoning
As wacky recovery tech goes mainstream, science writer Christie Aschwanden explains what works and what doesn’t
The public comment period that will impact a redefinition of what's protected under the Clean Water Act is open through April 15
Scientists are untangling why it’s easier to regain fitness than to start from scratch
In 2017, the Trump administration announced that it was shrinking the iconic Utah national monument by nearly 50 percent. Leath Tonino devised a sketchy 200-mile solo desert trek, following the path of the legendary cartographer who literally put these contentious canyons on the map.
New research parses the different effects of exercise on anger as an emotion versus anger as a mood
Inversions can choke all the fun out of winter in some places (looking at you, Salt Lake City)
The acclaimed author answers questions about his book ‘How to Change Your Mind’ and explains the emerging science behind the misunderstood drugs
The IAAF is worried about “losing the next generation of female athletes.” Here's a breakdown of both sides of the debate.
A push-up test outperformed a treadmill test for predicting cardiac health—but it’s not all about your pecs
A new model reinterprets those pretty graphs that seemed to show minimalist shoes reducing impact forces
Behind the Herculean effort to create a scientifically accurate cartographic masterpiece
Supporters say the proposed regulations are over 40 years overdue and would be a major win for public health
The director of a meditation program developed by neuroscientists explains how teaching athletes mindfulness can change their brains
After a mental-health breakdown, Mexia grew obsessed with plants in her fifties and became one of the early 20th century’s great botanical collectors
Deep in the heart of the Adirondacks, the unexpected death of a small-town police sergeant has added fuel to a nationwide controversy over an herbal supplement
Snake oil or legitimate science?
It's time to take the Marie Kondo approach to your time
Our favorite places to live could look a lot different in 2080, according to a new study
The evidence in support of carbohydrate drinks is flimsier than you might think—which is why the results of a new study are worth paying attention to
When it comes to the effects of temperature on performance, perception is reality
In sharp contrast with today's administration, the 1970s were a time when our environment was seen as valuable and not a resource to be destroyed and turned into dollars
When outdoor athletes launched the first energy bars more than 30 years ago, no one could have predicted it would revolutionize the way Americans eat. A look inside the hottest—and strangest—category in natural foods.
In her new book, 'Good to Go,' science writer Christie Aschwanden breaks down popular myths about recovery
The benefits of beet juice seem to be weaker in trained athletes. They just need more of it, a new study suggests.
The latest film from Patagonia and filmmaker Jordan Manley, ‘Treeline’ explores an integral part of the skiing landscape—trees
A new multi-study review finds no advantage to following a hydration plan compared to simply drinking when you feel like it
Think of the weather as your mood and the climate as your personality: your mood changes each day, whereas your personality is the sum of all those moods over the course of years
Looking to boost your athletic performance? Start with your music.
A detailed analysis of historical Boston results wades into the long-running debate on sex differences in endurance
Trying really hard works—and then it gets in your way
A mixed workout program produces the best heart health outcomes, a new study finds
Step into the void
Yet it—along with its meteorologists—is struggling through the shutdown
There's more to it than just trying really hard
New research confirms that a week of hot tub sessions helps your body adapt to heat
Researchers explore how your brain chemistry may start dulling pain and boosting mood before you even take a step
There are a lot of tough endurance races, but the hardest one of all might take place on a single block in Queens, New York
After four months at sea, wunderkind inventor Boyan Slat's $360 million system is being towed back to port without having collected any plastic debris
We know that cognitive function is impaired at high altitude, but it’s not entirely clear why
Keep it simple. Consistency is key. Get out of your own way.
Real-world data shows elite ultrarunners average 180 steps per minute—and that means nothing
There's one realistic thing we can do to survive the new era of giant blazes: build smarter communities that can take the heat
There's a fine line between dialing back exercise during the holidays and losing your fitness altogether
New research finds weightlifters have stronger tongues and runners have better tongue endurance—and that matters
Plotting top-100 marathon times for the past decade shows that Eliud Kipchoge’s world record is a huge outlier. The question is why.
Advocates of drilling in the Arctic National Wildlife Refuge are trying to make an end run around the law and the American people. If they succeed, your backyard conservation area could be next.
Setting cycling's hour record hurts so much that it's been called death without dying. So what does it take to get past the discomfort?