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尼安德特人和丹尼索瓦人的世界分布图
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...
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南极贼欧可以识别个体人类
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...
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其它物种灭绝会加速人类的进化
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...
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10万年前穴居人与智人曾有过混血
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...
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牛顿巨鸟的灭绝与人类有很大关系
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 -...
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美国家庭内常见的节肢动物种类异常丰富
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...
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穴居人基因使现代人免疫力提高却易过敏
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...
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科学家首次定序古爱尔兰人基因组
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...
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科学家设法使机器像人类一样学习
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...
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On a Day, in the World
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...
