humans-凯发k8官网

16-03-30 africans possess at least a little bit neanderthal dna. but a new map of archaic ancestry--published march 28 in current biology--suggests that many bloodlines around the world, particularly of south asian descent, may actually be a bit more denisov...

16-03-27 you may have heard of crows, magpies, and mockingbirds recognizing individual people. these birds live among people, so it may be natural that they learn to differentiate people. but what about the animals that live in remote areas? scientists in so...

16-02-24 just three years after crayfish were introduced to a b.c. lake, two species of fish that had existed in the lake for thousands of years were suddenly extinct. but it's what took their place that has scientists fascinated. new research from ubc shows...

16-02-18 a multidisciplinary team which included participants from the spanish national research council (csic) has discovered that homo neanderthalensis and homo sapiens crossbred over 100,000 years ago. this puts back the previously first-known case of a h...

16-01-31 ancient extinction of giant australian bird points to humans the first direct evidence that humans played a substantial role in the extinction of the huge, wondrous beasts inhabiting australia some 50,000 years ago -- in this case a 500-pound bird -...

16-01-20 the first study to evaluate the biodiversity of arthropods in u.s. homes finds that humans share their houses with any of more than 500 different kinds of arthropods - at least on a short-term basis. arthropods are invertebrate animals with exoskele...

16-01-08 when modern humans met neanderthals in europe and the two species began interbreeding many thousands of years ago, the exchange left humans with gene variations that have increased the ability of those who carry them to ward off infection. this inhe...

15-12-29 a team of geneticists from trinity college dublin and archaeologists from queen's university belfast has sequenced the first genomes from ancient irish humans, and the information buried within is already answering pivotal questions about the origin...

15-12-11 a team of scientists has developed an algorithm that captures our learning abilities, enabling computers to recognize and draw simple visual concepts that are mostly indistinguishable from those created by humans. the work, which appears in the late...

15-09-14 on a day, in the world brenda hillman we had a grief we didn't understand while standing at the edge of some low scrub hills as if humans were extra or already gone -- ; what had been in us before? a life that asks for mostly wanting freedom to get...