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TechUnstoppable Bot: Armed with self-scrutiny, a mangled robot moves on
Roboticists have made a walking machine that carries on despite serious damage.
By Peter Weiss -
19756
It would seem difficult to distinguish between the repulsive force that dark energy proposes and the regular gravitational pull of ordinary matter. Somehow, the idea of multiple universes surrounding our universe, embodying the known laws of physics and providing the gravitational pull, is easier for me to accept than a mysterious dark energy nobody can […]
By Science News -
AstronomyDark 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.
By Ron Cowen -
AnthropologyAncient Gene Yield: New methods retrieve Neandertals’ DNA
Researchers have retrieved and analyzed a huge chunk of Neandertal DNA.
By Bruce Bower -
MathForm Plus Function
Numbers, lines, squares, and shadows add up to an intriguing set of artworks rooted in mathematical concepts.
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AnimalsHey, 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.
By Susan Milius -
Revving up recall while fast asleep
Scientists have discovered a way to give memory a modest lift while people slumber.
By Bruce Bower -
AstronomyNearest extrasolar planet
Astronomers have confirmed the existence of the nearest known planet beyond the solar system.
By Ron Cowen -
PaleontologyAsian 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.
By Sid Perkins -
AstronomyBlack 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.
By Ron Cowen -
EarthFarm 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.
By Ben Harder -
ChemistryWere Viking landers blind to life?
The Viking landers may have missed potential signs of life when they explored Mars in 1976.