extreme sports
This chart shows when each new sport joined the Olympic Games
Our chart shows new additions since 1984 that have stuck around.
An Olympics without fanfare: What would the ancient Greeks think of the empty stadiums?
In ancient Greece, the Olympics were never solely about the athletes themselves.
Bruce Lee: How to live successfully in a world with no rules
Shannon Lee shares lessons from her father in her new book, "Be Water, My Friend: The Teachings of Bruce Lee."
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6 min
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Taking pain relievers makes you more likely to take risks
Research from Ohio State finds that acetaminophen affects our emotions.
Woodpecker wars are intense and even draw a crowd
Acorn woodpecker battles over prized territory are serious business.
Robo-boot concept promises 50% faster running
The old idea of running with springs on your feet gets a high-tech makeover.
Here’s how long-distance runners are different from the rest of us
Ultrarunners scored significantly higher on the resilience questionnaire than non-runners.
Polar explorer Erling Kagge: Why risk makes life meaningful
Playing it safe and always taking the easy road can be obstacles to happiness, says professional adventurer Erling Kagge.
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3 min
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Mind hack: How to push past fear
Fear, not empathy, is the most powerful emotion in the world.
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4 min
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Four reasons not to run a marathon
If your New Year's resolution was to get in shape, signing up for the marathon is a bad way to go about it.
Researchers were surprised to find bungee jumpers’ cognition was enhanced after a jump
Think adrenaline leaves you unable to think clearly? Think again.
Always dreamed of flying? On these moons, you can.
There are places in our solar system where you can fly.
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2 min
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