Health News
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Deep-Voiced Men Have Fewer Sperm?
The deep timbre of a male voice may sound attractive, but low-voiced men actually tend to have lower sperm counts, a new study says.
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Yawning Catches On Among Kin?
People yawn more in response to other yawns when they're around those they care about most, says a new study of "contagious" yawning.
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People Can Hallucinate at Will
People can hallucinate color just with the power of suggestion, a finding that may help those fearful of hypnosis therapy, a new study says.
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Why Do We Dream?
Dreaming may act like a type of overnight therapy, taking the edge off painful memories, a new study says.
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Why Do Some People Taste Words?
The neural tangling known as synesthesia may have survived evolution because it offers benefits in creative thinking, a new study hints.
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Why Do We Yawn?
It may not be because you're tired—yawning may activate a sinus "pump" that ventilates your brain, a new study suggests.
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Plague Genome Revealed
Modern plague bacteria are still basically the same as the bug that caused the Black Death in medieval Europe, a new DNA study shows.
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Toxic Tar Shrank Heads?
A health decline in prehistoric California Indians may be linked to a tar that they used as "superglue" and chewing gum, experts say.
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Secrets of Smelling Revealed
Receptors in human noses are grouped to help the brain discern good smells from bad ones, an "exciting, disturbing" study suggests.
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Sharks Carry Virus Killer?
Sharks carry a "remarkable" substance that stops viruses—a discovery that may lead to new antivirals for humans, a new study says.
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Why We're Overconfident
Believing you're better than you are may be a winning strategy, a new study says.
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Why Are Men's Ring Fingers Longer?
Linked to aggression, musical ability, and sexual orientation, ring finger length is dictated by hormones in the womb, a new study says.
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Mice Made Transparent
A new chemical may soon allow scientists to see exactly what's on your mind—because the substance turns brain tissue totally transparent.
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One Drug Cures Many Viruses
A new drug that works with the body's natural defenses can kill off multiple types of viruses, including the common cold.
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No-Fingerprint Disease Explained
By studying people born without fingerprints, scientists may have discovered how fingerprints in general are made, a new study says.
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Aging Brains Made Youthful?
You can't teach an old brain new tricks—but you can restore its ability to remember old ones, a new monkey study suggests.
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Salt, Drug Cravings Linked?
Drugs such as heroin and cocaine may owe some of their addictive powers to an ancient instinct—our appetite for salt.
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Sleep Type Affects MLB Averages
What times major league baseball players hit the hay can predict when they'll hit it out of the park, new research shows.
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Fewer Girls Born Due to Radiation?
Due to nuclear tests and disasters, millions fewer females may have been born than would otherwise be expected, a new study suggests.
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Superhuman Hearing Possible?
Vibrating the ear bones could create shortcuts for sounds to enter the brain, thus boosting hearing, new experiments show.
Latest News
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Zebra Stripes Are Bug Repellant?
Stripes may do more than help zebras hide in tall grass—the pattern may scramble the vision of bloodsucking horseflies
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Black Hole Seen Eating Asteroids?
An ongoing rocky buffet would explain bright x-ray flares seen around our galaxy's supermassive black hole since 1999, astronomers say.
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Lake Vostok Breached
Russian scientists have confirmed that they have breached the subglacial Lake Vostok in Antarctica—a first.
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Violent Monkey Takeover
"This doesn't look good," says a Nat Geo explorer as rivals menace a patriarch. Hours pass, blood spills, and power changes hands. Video.
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"Porta Potty" Flower Found
A new relative of the "corpse flower" growing in Madagscar smells like rotting meat and feces, researchers say.
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Pictures: Bird Mummies "Fed" After Death, Stuffed With Snails
Some of the millions of ancient Egyptian ibis mummies were "fed" after death, scans reveal—the better to live through the afterlife.
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Oldest Animal Discovered?
Could 760-million-year-old African "sponges" be humankind's earliest known ancestors?
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Can Bubble Curtains Help Whales?
Oil and wind power companies are testing a novel technology—air bubbles—to shield marine mammals from the sound of offshore operations.
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16th-Century Guinea Pig Found
The tiny South American rodents were bred as pets across social classes in 16th- and 17th-century Europe, a new study says.
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Photos: "Monster" Crustaceans Found
"It's a mystery" why giant, shrimp-like animals found off New Zealand are nearly three times larger than other amphipods, experts say.
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News Blogs
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Texas Moves to Save Critical Groundwater
Ogallala Aquifer has dropped as much as 150 feet.
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Good News, Bad News on U.S. Energy Outlook
The "all of the above" energy approach Obama championed in his State of the Union speech is at odds with U.S. climate goals.
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Uranus Easy to Find This Week
Thanks to a close encounter with Venus, sky-watchers will have the chance the next few nights to easily glimpse the "green giant" Uranus.
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