Science
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Researchers use isotope tracers to accurately calculate calorie burn and other parameters during a grueling full-day ride
Athletes of all levels have considered whether their choice of birth control might influence how they train, recover, and perform. But the answer is complicated. Here’s what you need to know.
So-called “augmented feedback” can offer both information and motivation. A new study tries to separate the effects.
While trying to qualify for an English Channel crossing, swimmers swallowed ingestible thermometers. They got really cold.
After the ocean took away her partner, the marine biologist found a way to live with loss
Schools invested in outdoor ed during the pandemic, but the growth was disproportionate to high-income communities
Experts weigh in on whether your period ought to have a say in your workouts
Age may be just a number—but so is your weekly mileage
There's a lot of outdoor misinformation out there, and we're on a quest to quash it
Has Maurten finally figured out how to harness the power of baking soda without paying the gastrointestinal price?
Double threshold days and lactate meters have propelled Jakob Ingebrigtsen and others to the top. Should the rest of us follow suit?
Research makes a strong case for taking your practice into the wild as the weather warms—or at least your backyard
Researchers test the assumption that top athletes are more sensitive to internal cues, with surprising results
Exploring how the simple act of spending time outside can solve so many of life’s problems
A new study tests the idea that, with the right building blocks, connective tissue can repair itself after all
A big-data analysis of Strava training logs estimates the slowdown for marathoners who miss a week or more
Whether you’re determined to embrace a healthier diet or finally ride that mountain bike you bought during the pandemic, wellness-focused getaways can help bring those good intentions to fruition. Here are awesome travel-focused ideas designed to do just that.
Running and composing music require a similar problem-solving area of the brain, so it might not be a coincidence that there’s crossover
A new model breaks down the ability to fight through adversity into its constituent parts
Army researchers assess the evidence on what makes you stronger, and speculate about new approaches that might work even better
Healthy habits are hard to maintain. We sent five writers on long-overdue quests for self-improvement.
After years of infinite scrolling, it was time for a drastic intervention
Figuring out how to get better sleep and more exercise and is hard—which is why we tried out some new programs for you
And what does Damar Hamlin’s cardiac arrest tell us about the risks sports pose to an athlete’s heart?
From the whimsical to the epic, these are our favorite stories of the year
Cautionary tales from the official journal of the Wilderness Medical Society
Moving from long to short efforts during a workout maximizes the training stimulus
A selection of recent titles to keep you warm by the fire
The shredders, climbers, policy-makers, barrier breakers, and scientists who forever changed the way we view the world
The group of scientists and adventurers gained valuable knowledge about climate change’s impact on ice in the Weddell Sea, and did additional research on weather, navigation, and marine engineering
The downside of veggies, the upside of emptying your colon, and more
New research finds that, all else being equal, runners don’t have more gastrointestinal problems than cyclists
Replacing lost salt is a pillar of sports nutrition, but new research suggests more isn’t always better
Elite running coaches weigh in on what it means to be talented and how they predict who will run fastest
The acclaimed science writer answered audience questions about reporting on the race to understand the SARS-CoV-2 and how the COVID-19 pandemic began
A pair of experiments find that mice choose to run less after taking antibiotics, even though their endurance is unchanged
The acclaimed nonfiction writer talked to nearly 100 scientists to tell the story of how the virus that caused COVID-19 spilled over into humans and spread across the globe
New data shows that, unlike a car, you can’t perform well with a half-full fuel tank
Join us for a live Zoom Q and A with the acclaimed science writer and longtime Outside contributing editor, who will discuss his new book about the SARS-CoV-2 virus on Thursday, October 13
New data outlines how much they run, how long it takes to resume training after giving birth, and how well they return to competition
The unending search for a competitive edge in sports has a cost. It’s called the Red Queen effect.
Runners make bigger improvements following a flexible workout schedule rather than sticking with a predetermined one
A new twist in the old debate about caffeine's performance-enhancing powers suggests it helps maintain oxygen levels in the blood
Women are said to be 10 to 12 percent slower than men across distances, but a new analysis finds narrower gaps for sprinters
If you want workers to come back to the office, here's a thought: let them wear shorts
There’s encouraging new evidence on artery stiffening and the risks of too much exercise
A new study aims to resolve long-standing debates about how much drafting helps runners, and finds that even back-of-the-packers save meaningful time
Mounting evidence suggests that women respond differently to endurance training after menopause. Could donating blood be the solution?
A deep dive into the sports science literature shows why you should be wary of results that seem too good to be true
A small Minnesota company believes it has developed the future of fitness tech. Now it has to teach the rest of us how to use it.
‘Fire of Love’ uses the archival footage from Katia and Maurice Krafft to tell the story of how they fell in love and pushed the boundaries of science and adventure
People develop sensitivities to just about everything these days, but can you really be allergic to frigid temperatures? Our writer takes us on a wild—and potentially life threatening—journey to find out.
A new study assesses how childbirth altered the career trajectories of the fastest marathoners in history, with encouraging results
New research explores whether the performance-boosting effects of positive self-talk can be attributed to more than just the absence of negativity
A team of Canadian Olympic sports psychologists tries to nail down the intangible “it”
A new study compares active and passive interval recoveries, but physiology isn’t the only factor to consider
The algorithms used to estimate your training load have some fundamental flaws, scientists say
Most people run the same pace regardless of how far they’re running, according to new research
He was an environmentalist versed in the dangers of our warming world, an expert trail runner, and eminently capable of moving far and fast outside. The heat killed him all the same.
Our furry friends are the best of adventure playmates. But they can also provide pure, unconditional love that gets us through the darkest times.
How well you can see your surroundings matters, but subtle gait changes also burn more energy
Surf companies have been ignoring compelling research that could make wetsuits warmer and easier to paddle in. Two scientists are making sure someone listens.
Like the two-hour marathon chase, next month’s assault on the seven- and eight-hour Ironman barriers will require some rule-bending
Mother Nature’s most bizarre wonders are created by all-real natural effects
There’s a distinct pleasure to eating wild foods that you forage yourself—unless you pick the wrong thing
Want to grow your own food but don’t know where to start? Plant a few of these and you’ll have a full pantry in no time.
Runners smack the ground harder—but get injured less—in more cushioned shoes. New research explains why.
In forests across the planet, secretive hunters are searching for that rare and insanely expensive wild delicacy: the truffle.
Five scientifically proven ways to up the fun in your life
Scientists studying mice found that their competitive efforts depended on their social ranking rather than their strength or speed
To become one of those people who joyfully hikes, bikes, and skis in the nude, she’d have to train for it
An analysis of power data from pro cyclists quantifies the effects of hot and cold air temperatures on performance
The City of Angels is bringing together tech, academia, government, nonprofits, and ordinary residents to make its greenery more equitable and mitigate the effects of both climate change and systemic racism
When we open our ears to the marvels of natural soundscapes, we experience the energies of the world in a unique way—and begin to understand the mysteries behind them
You can’t run fast without using your arms—or can you?
Take your gardening indoors with houseplants. Use these tips to place them in proper sunlight, water them correctly, and feed them so they survive and thrive.
A relationship with plants built on love, care, and respect is at the heart of bringing the outdoors inside