Archive: 09/19/2006

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 ...

Sep 19, 2006
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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.

Sep 19, 2006
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Extent of Mercury Pollution More Widespread

Mercury pollution is making its way into nearly every habitat in the U.S., exposing countless species of wildlife to potentially harmful levels of mercury, a new report from the National Wildlife Federation shows.

Sep 19, 2006
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