Did a shift in the way infants were weaned give early humans an evolutionary advantage over their Neanderthal cousins? Scientists have long speculated that a change to earlier weaning played a key role in ...
Jun 04, 2013
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Humans, like other animals, compare things. We care not only how well off we are, but whether we are better or worse off than others around us, or than we were last year. New research by scientists at the University of Bristol ...
May 30, 2013
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(Phys.org)—Males and females differ in a lot of traits (besides the obvious ones) and some evolutionary psychologists have proposed hypotheses to explain why. Some argue, for example, that males' slight, but significant, ...
Feb 19, 2013
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Australia's giant eucalyptus trees are the tallest flowering plants on earth, yet their unique relationship with fire makes them a huge puzzle for ecologists. Now the first global assessment of these giants, published in ...
Oct 31, 2012
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Biologists from the universities of Freiburg and Copenhagen, Denmark, have discovered that queens of the ant genus Acromyrmex are flexible in the event that they cannot found their own colony. The queens ...
Sep 14, 2012
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(Phys.org)—When people think of locusts they are likely to picture the swarms which affect the lives of one in ten people in the world through their harmful impact on agriculture.
Aug 29, 2012
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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
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Prehistoric plants grown in state-of-the-art growth chambers recreating environmental conditions from more than 400 million years ago have shown scientists from the University of Sheffield how soil dwelling fungi played a ...
May 15, 2012
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In nature, how do host species survive parasite attacks? This has not been well understood, until now. A new mathematical model shows that when a host and its parasite each have multiple traits governing their ...
Mar 04, 2012
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(PhysOrg.com) -- Our sense of smell may have been as important as language in helping to give us, modern humans, an evolutionary advantage over other human relatives such as the Neanderthals, scientists report ...
Dec 13, 2011
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Using owls as a model, a new research study reveals the advantage of stereopsis, commonly referred to as stereovision, is its ability to discriminate between objects and background; not in perceiving absolute depth. The findings ...
Jul 11, 2011
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For the first time, scientists have been able to paint a detailed chemical picture of how a particular strain of bacteria has evolved to become resistant to antibiotics. The research is a key step toward designing ...
Apr 28, 2011
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In the mating game, some female mites are mightier than their mates, new research at the University of Michigan and the Russian Academy of Sciences suggests. The evidence comes, in part, from 40 million-year-old ...
Feb 28, 2011
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Kansas State University isn't the only place where the color purple rules. In the plant world, many plants are defined by their purple color.
Feb 09, 2011
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