Health News
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Couch Potatoes Have Less Sperm
Men who watch lots of TV have fewer sperm than men who exercise moderately or vigorously, a new study says.
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What Is Deer Antler Spray?
Experts weigh in on deer antler velvet, the substance at the center of a new sports controversy involving Ravens linebacker Ray Lewis.
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How Far Off Is a Better Flu Shot?
Researchers are hot on the trail of ways to make a vaccine that's more effective for longer stretches of time. But it's likely to take a while.
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Got the Flu? Tweet It
Public health officials turn to Google, Twitter, and Facebook to track and predict outbreaks of seasonal flu.
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How to Live to a Ripe Old Age
National Geographic Fellow Dan Buettner Gives Tips From Earth's "Blue Zones"
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What Lives in Your Belly Button?
A "rain forest" of species thrive in our navels, a new study finds. Don't be alarmed, though—says one researcher, "It's quite beautiful."
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Math Can Hurt
Think math's a pain? A new study has your number: Anticipation of arithmetic, researchers say, can activate pain centers in the brain.
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Sandy Floods May Pose Health Risk
As New York City grapples with major flooding, residents may be at risk of infections from stagnant water, experts say.
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"Seventy-two Is the New 30"
A 72-year-old today faces the same chances of dying as a 30-year-old in preindustrial times, a new study says. Evolution at work?
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Slime Has Memory but No Brain
Slime molds have evolved a way of remembering where they've been. Quips one scientist: "I, for one, welcome our new gelatinous overlords."
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Sperm Tracked in 3-D—A First
For the first time, scientists have successfully plotted the paths of sperm in 3-D, revealing corkscrew-like trajectories and "hyperactive" swimmers.
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Men, Women See Things Differently
The grass is almost always greener to women, for starters, a new study says—and such differences could have roots deep in human evolution.
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How Your Brain May Clean Itself
Talk about brainwashing—a newfound plumbing system likely helps our brain empty its waste, a new study says.
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Why Do We Sneeze?
Sure, they blast out germs and other unwanted intruders, but sneezes have another, just discovered purpose, a new study says.
Latest News
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It’s So Hard to Say Goodbye to a Pet
The author thought that when the time came he'd simply put his cat "to sleep." He never imagined how heartbreaking it would be.
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Opinion: Dogs Domesticated Us
Early humans didn't adopt wolves to help them hunt, argue scientists. Instead, wolves made the first move toward friendship.
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Superfast Black Hole Observed
A superfast black hole appears to be pushing the ultimate speed limit of the universe, a new study says.
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Past Visions of Mars's Future
Aliens, swords, and spacesuits feature among sometimes unearthly illustrations of what people once thought about life on Mars.
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Rare Photos of Giant Armadillos
Brazilian researchers recently captured the first-ever pictures of a baby giant armadillo.
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100 Million Sharks Killed a Year
A new study outlines challenges for marine conservation.
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Rats 'Communicate' Across Continents
Two rats—one in Brazil and another in the USA—are linked in real-time by implants in the same part of their brains.
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Another Bad Stinkbug Year?
With Asian stinkbugs threatening to devour more crops this year, the U.S. Agriculture Department is hunting for solutions.
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Mars Rover Curiosity Malfunctions
One of Curiosity's two onboard computers became corrupted this week.
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Fossil Pee Reveals Climate Change
Ancient urine of a rabbit-like critter is revealing how Earth's climate changed thousands of years ago.
From Our Blogs
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U.S. Monthly Crude Oil Production Hits 20-Year High
New numbers from the U.S. government confirm that the country's shale oil boom is going strong.
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Shell Suspends Arctic Drilling Plan for 2013
The troubles that roiled Shell’s rig, the Kulluk, off the coast of Alaska this past winter will reverberate through the summer.
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Invasion of the Trout Aliens
In the Great Smoky Mountains, the natives have returned.
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- U.S. Monthly Crude Oil Production Hits 20-Year High
- Shell Suspends Arctic Drilling Plan for 2013
- Shale Gas and Tight Oil: Boom? Bust? Or Just a Petering Out?
- Tesla’s Musk Promises to Halve Loan Payback Time to DOE, Jokes About ‘Times’ Feud
- Focusing on Facts: Can We Get All of Our Energy From Renewables?
