Uncategorized
-
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 […]
- Anthropology
Ancient Gene Yield: New methods retrieve Neandertals’ DNA
Researchers have retrieved and analyzed a huge chunk of Neandertal DNA.
- Math
Form Plus Function
Numbers, lines, squares, and shadows add up to an intriguing set of artworks rooted in mathematical concepts.
- 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.
-
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.
- Anthropology
Evolution’s Mystery Woman
A heated debate has broken out among anthropologists over whether a highly publicized partial skeleton initially attributed to a new, tiny species of human cousins actually comes from a pygmy Homo sapiens with a developmental disorder.
