(Phys.org) -- The evolution of cooperative behaviour in people is often explained by the fact that it provides the opportunity to punish undesirable behaviour. However, such punishment is costly and the benefits for the person ...
Jun 20, 2012
1.5 / 5 (2)
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Although humans and woolly mammoths co-existed for millennia, the shaggy giants disappeared from the globe between 4,000 and 10,000 years ago, and scientists couldn't explain until recently exactly how the ...
Jun 12, 2012
4.6 / 5 (11)
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(Phys.org) -- If female butterflies are programmed to identify males of their species by the patterns of spots on their wings, how can new wing patterns evolve in males?
Jun 11, 2012
5 / 5 (1)
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Evolution by definition is cold and merciless: it selects for success and weeds out failure. It seems only natural to expect that such a process would simply favour genes that help themselves and not others. Yet cooperative ...
Jun 08, 2012
4.2 / 5 (6)
4
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In a finding that could fundamentally re-write science's understanding of how some parasite-host relationships work, Harvard researchers have found that, despite being separated by more than 100 million years ...
Jun 06, 2012
5 / 5 (1)
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Scientists have traditionally sought the evolutionary origins of human speech in primate vocalizations, such as monkey coos or chimpanzee hoots. But unlike these primate calls, human speech is produced using ...
May 31, 2012
5 / 5 (1)
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Inspired by a 2009 colloquium on microbial evolution convened at the Galapagos Islands, a new book from ASM Press, Microbes and Evolution: The World That Darwin Never Saw celebrates Charles Darwin and his landmark publication ...
May 30, 2012
1 / 5 (1)
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In early human evolution, when faithful females began to choose good providers as mates, pair-bonding replaced promiscuity, laying the foundation for the emergence of the institution of the modern family, a new study finds.
May 28, 2012
2.6 / 5 (7)
5
At first glance, it's hard to see how a common house sparrow and a Tyrannosaurus Rex might have anything in common. After all, one is a bird that weighs less than an ounce, and the other is a dinosaur that ...
May 27, 2012
4.9 / 5 (15)
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(Phys.org) -- UCLA life scientists have discovered new laws that determine the construction of leaf vein systems as leaves grow and evolve. These easy-to-apply mathematical rules can now be used to better ...
May 23, 2012
4.4 / 5 (18)
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