Wednesday, May 24, 2006
From Waddington to Gould - they were right
One-Track Evolution:
When it comes to evolution, sometimes there's only one right way to do things. Biologists have discovered that, when forced to adapt to hotter and hotter conditions in the lab, a heat-loving bacteria evolves the same survival strategies time and time again. The findings indicate that genetic changes that allow organisms to cope with environmental challenges are not as random as researchers have thought.