News tagged with evolutionary models

A connected world gives viruses the edge

That's one conclusion from a new study that looked at how virulence evolves in parasites. The research examined whether parasites evolve to be more or less aggressive depending on whether they are closely ...

May 27, 2009
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Scientists explore hormone evolution

(PhysOrg.com) -- New research techniques on animals living in the wild are helping scientists test long-held ideas about the role of hormones in survival, according to comments by Professor of Biology Jan ...

Mar 03, 2009
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The way of the digital dodo

(PhysOrg.com) -- The laser light glowed brilliant red, forming a moving line as it bounced information from the dodo’s bones back into the high-tech scanner sitting on a tripod on the Museum of Comparative ...

Feb 20, 2009
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Why Don’t More Animals Change Their Sex

(PhysOrg.com) -- Most animals, like humans, have separate sexes — they are born, live out their lives and reproduce as one sex or the other. However, some animals live as one sex in part of their lifetime and then switch ...

Feb 02, 2009
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