X-ray images help explain limits to insect body size

Researchers at the U.S. Department of Energy's Argonne National Laboratory have cast new light on why the giant insects that lived millions of years ago disappeared.

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<p><a href="http://www.physorg.com/news105891955.html">X-ray images help explain limits to insect body size</a></p> <p>Researchers at the U.S. Department of Energy's Argonne National Laboratory have cast new light on why the giant insects that lived millions of years ago disappeared.</p>