Archive: 08/28/2006

A switch between life and death

Cells in an embryo divide at an amazing rate to build a whole body, but this growth needs to be controlled. Otherwise the result may be defects in embryonic development or cancer in adults. Controlling growth requires that ...

Aug 28, 2006 4.1 / 5 (10) 0

Bird species are saved from extinction

The first global audit of threatened species shows 16 species of birds nearly extinct in the mid-1990s have been saved, some increasing tenfold in number.

Aug 28, 2006 3.5 / 5 (2) 0