News tagged with evolutionary biologists

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Insects are scared to death of fish

The mere presence of a predator causes enough stress to kill a dragonfly, even when the predator cannot actually get at its prey to eat it, say biologists at the University of Toronto.

dateOct 27, 2011 in Plants & Animals
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Researchers complete mollusk evolutionary tree

Mollusks have been around for so long (at least 500 million years), are so prevalent on land and in water (from backyard gardens to the deep ocean), and are so valuable to people (clam chowder, oysters on ...

dateOct 26, 2011 in Evolution
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New technique fills gaps in fossil record

University of Pennsylvania evolutionary biologists have resolved a long-standing paleontological problem by reconciling the fossil record of species diversity with modern DNA samples.

dateSep 19, 2011 in Evolution
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Manipulative mothers subdue show-off sons

The gaudy plumage and acrobatic displays of birds of paradise are a striking example of sexual selection, Charles Darwin's second great theory of evolution. But new research shows that this powerful process may collapse when ...

dateSep 12, 2011 in Evolution
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How early reptiles moved

Jena (Germany) Modern scientists would have loved the sight of early reptiles running across the Bromacker near Tambach-Dietharz (Germany) 300 million years ago. Unfortunately this journey through time is ...

dateJul 27, 2011 in Archaeology & Fossils
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Using DNA in fight against illegal logging

Advances in DNA 'fingerprinting' and other genetic techniques led by Adelaide researchers are making it harder for illegal loggers to get away with destroying protected rainforests.

dateJun 30, 2011 in Other
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