What makes some species more prone to extinction? A new study of nearly 300 species of New Zealand birds — from pre-human times to the present — reveals that the keys to survival today differ from those of the past.
Ecology
Aug 2, 2012
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A new initiative aims to build a grand tree of life that brings together everything scientists know about how all living things are related, from the tiniest bacteria to the tallest tree.
Plants & Animals
May 21, 2012
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(Phys.org) -- Not all acts of altruism are alike, says a new study. From bees and wasps that die defending their nests, to elephants that cooperate to care for young, a new mathematical model pinpoints the environmental conditions ...
Evolution
Apr 30, 2012
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