Health News
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Opinion: Don't Panic Over Bird Flu
Flu viruses are always unpredictable. H7N9 could go big—or not.
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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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Ethiopia’s Extreme Salt Mines
Salt from the Afar region of Ethiopia, one of the Earth's hottest places, makes its way to market.
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Paul Theroux’s Last Trip to Africa
Travel writer Paul Theroux takes one more trip to Africa and writes about it in his new book, The Last Train to Zona Verde.
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3-D Printers: Life Saving
The emerging technology has printed out a life-saving implant for a baby—and is poised to make pizzas that are out of this world.
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Photos: Energy-Smart Zoos
Keeping a diverse crowd of species comfortable comes with an elephant-sized energy bill for zoos and aquariums. These green exhibits cut demand.
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Catch the Triple Planet Huddle
How to watch Mercury, Venus, and Jupiter meet in the night sky this weekend.
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Week's Best Space Pictures
The Ring Nebula shines, a volcano erupts, and Germans see the bat signal in this week's best new space pictures.
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Virgin Birth Explained
The mysterious arrival of a zoo anteater has some talking virgin birth, or parthenogenesis. See what other animals have babies without fathers.
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Australia as Climate Predictor
As extreme weather seems to accelerate globally, scientists believe events Down Under can help explain what to look for-and guard against.
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Top 10: Stellar Twins, Few Frogs...
On our radar today: A pair of stars is closer to Earth than we thought, U.S. amphibians are disappearing at an alarming rate, you can now lease a launch pad from NASA, and...
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Active Hurricane Season on the Way
NOAA expects up to 20 named tropical storms, which could yield as many as six major hurricanes, as it utilizes new technology to improve forecasting.
From Our Blogs
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On Science, Politics and Climate Change
Rep. Lamar Smith displays a shaky grasp of climate science in a recent op-ed.
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Ernest Moniz's First Topic, and Tweet, as Energy Secretary
The newly sworn-in secretary kicked off his term with an appearance at an industry forum and with two new social accounts online.
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Which State Uses the Most Fossil Fuels?
New federal statistics on carbon emissions by state reveal where fossil fuels still dominate the economy.
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