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Does Grunting Help Tennis Players Win?A lot of tennis players erupt in grunts when they strike the ball, but does it actually improve performance?
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Why Do Tennis Balls Bounce Faster on Wimbledon's Grass?Speedy serves and returns are a specialty of Wimbledon's grass courts.
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How the NFL Football Got Its ShapeAnd other stuff you didn't know about the pigskin.
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Lou Gehrig Might Not Have Died From Lou Gehrig's Disease
New research suggests another factor may have been at play.
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Can More Sleep Make Athletes Better?
A little extra shut-eye makes athletes better, faster, stronger.
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Can the Growing Obesity Problem Be Curbed?
Obese people tend not to listen when they're being blamed.
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Is Walking to School Good for Kids?We've all heard it from our grandparents, but never believed it when they said, "Why, when I was your age, I walked to school every day in the snow and it was uphill both ways!"
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Should Women Calculate Their Maximum Heart Rate Differently Than Men?The traditional formula is inaccurate for women, researchers say. They've proposed a new calculation.
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Why Do Athletes Train at High Altitudes?New research from Oxford University suggests that there are limits to the benefits of altitude training.
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How Does Caffeine Help Athletes?For an athlete, it may seem too good to be true: a "sports supplement" that increases alertness, muscle power, reaction time and endurance while decreasing muscle fatigue.
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How Do Baseball Outfielders Know Where to Run to Make a Catch?
Fielding requires extensive coordination of the eyes, brain and body. There are two leading theories of how we do it.
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What Do Tour de France Riders Eat?
If you were heading out for a leisurely bike ride, you might pack a snack. But what about a spin that covers about 2200 miles?
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What's the Toughest Sport?
To determine what the toughest sport is, sports science experts evaluated 60 sports on the basis of the skills they require. Their answer may surprise you.
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How Does Kobe Bryant Hit Those Amazing Jump Shots?
It's as simple as X, Y and Z, scientists find.
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How Do Athletes Get 'In the Zone' of Peak Performance?In this state, they feel invincible, as if the game slowed down, the crowd noise fell silent and they achieved an incredible focus on their mission.
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How Much Exercise Is Needed to Lose Weight?
A recent, massive study provides some interesting answers.
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Does Human Growth Hormone Really Help Athletes?A new study reveals evidence that there is at least some benefit to athletes who use HGH.
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Does Exercise Help Kids Do Better in School?
It may be a great way to release stress, but could fitness also contribute to better grades?
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Does Post Position Affect the Odds of Winning the Derby?
How are post positions are determined, and which one has historically been the most successful?
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Does a Horse's Post Position Affect Its Chances of Winning the Kentucky Derby?How are post positions are determined, and which one has historically been the most successful?
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Why are marathons 26.2 miles long?As the 114th Boston Marathon goes down in the history books, here's a look at how the race came to be.
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Masters Mystery: What's the Story Behind Golf's Green Jacket?
The tradition of the Masters tournament green jacket dates back to 1949.
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What Is Sex Addiction?
Tiger Woods may be addicted to sex, but science has not decided if it's a real disease. Here are the symptoms.
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Debate Over Artificial Legs in SportsIn an ironic twist, Oscar Pistorius' disability has now been shown to be an unfair advantage.
