На информационном ресурсе применяются рекомендательные технологии (информационные технологии предоставления информации на основе сбора, систематизации и анализа сведений, относящихся к предпочтениям пользователей сети "Интернет", находящихся на территории Российской Федерации)

Science World

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The Evolution of Altruism

In evolutionary biology, an organism is said to behave altruistically when its behaviour benefits other organisms, at a cost to itself. The costs and benefits are measured in terms of reproductive fitness, or expected number of offspring. So by behaving altruistically, an organism reduces the
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Sprouting feathers and lost teeth: scientists map the evolution of birds

A remarkable international effort to map out the avian tree of life has revealed how birds evolved after the mass extinction that wiped out the dinosaurs into more than 10,000 species alive today. More than 200 scientists in 20 countries joined forces to create the evolutionary tree, which reveals
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Study finds lack of evidence for infanticide link to monogamy

A fuss over the evolution of males that kill babies has taken a new turn. A broad analysis of mammals says there’s no sign that the danger of infanticide drove species toward monogamy. That new analysis, in the Nov. 14 Science, examines an evolutionary genealogical tree of 260 species, from lions
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The genes that turned wildcats into kitty cats

Place a housecat next to its direct ancestor, the Near Eastern wildcat, and it may take you a minute to spot the difference. They’re about the same size and shape, and, well, they both look like cats. But the wildcat is fierce and feral, whereas the housecat, thanks to nearly 10,000 years of
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Biological warfare flares up again between EO Wilson and Richard Dawkins

The war of words between the biologists EO Wilson and Richard Dawkins has reignited after the Harvard professor described his Oxford counterpart as a “journalist”. In an interview with Evan Davis on BBC2’s Newsnight to promote his latest book, Wilson was asked about his differing view of natural
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