News
- Health & Medicine
More Evidence of Protection: Circumcision reduces STD risk in men
Circumcised men are less likely to get sexually transmitted diseases than uncircumcised men are.
- Tech
Unstoppable Bot: Armed with self-scrutiny, a mangled robot moves on
Roboticists have made a walking machine that carries on despite serious damage.
- Astronomy
Dark Fingerprints: Hubble sheds light on cosmic expansion
The mysterious cosmic push that's tearing up the universe began revving up about 5 billion years ago.
- Anthropology
Ancient Gene Yield: New methods retrieve Neandertals’ DNA
Researchers have retrieved and analyzed a huge chunk of Neandertal DNA.
- Animals
Hey, that’s me!
A test with a jumbo-size mirror suggests that Asian elephants may be among the few species that can recognize their own images.
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Revving up recall while fast asleep
Scientists have discovered a way to give memory a modest lift while people slumber.
- Astronomy
Nearest extrasolar planet
Astronomers have confirmed the existence of the nearest known planet beyond the solar system.
- Paleontology
Asian amber yields oldest known bee
A tiny chunk of amber from Southeast Asia contains the remains of a bee that's at least 35 million years older than any reported fossil of similar bees.
- Astronomy
Black hole survey
Scanning the sky for high-energy X rays, a NASA satellite found more than 200 supermassive black holes within 400 million light-years of Earth.
- Earth
Farm salmon spread deadly lice
In the Pacific Northwest, sea lice that spread from cultivated salmon to their wild counterparts have become major parasites affecting the wild population.
- Chemistry
Were Viking landers blind to life?
The Viking landers may have missed potential signs of life when they explored Mars in 1976.
- Earth
The African source of the Amazon’s fertilizer
More than half of the airborne dust that provides vital nutrients to the Amazonian rainforest comes from a small corner of the Sahara.
