Archive: 19/09/2006

Bird Moms Manipulate Birth Order to Protect Sons

According to a new study by scientists at the University of Arizona, female house finches are able to change their hormonal makeup to ensure male birds hatch later, grow faster and spend less time in the nest than their sisters.

dateSep 19, 2006 in
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At the core

A few years ago, chemical analyses of deep sea muds that used a new X-ray technology were able to help explain why the Classic Mayan civilization collapsed more than a thousand years ago.

dateSep 19, 2006 in Earth Sciences
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