Biologists have known for a long time that some creatures evolve more quickly than others. Exactly why isn't well understood, particularly for plants. But it may be that height plays a role, says Robert Lanfear of Australian ...

Biology - Evolution

May 21, 2013 4 / 5 (1) 0 |

Scientists have long known that control mechanisms known collectively as "epigenetics" play a critical role in human development, but they did not know precisely how alterations in this extra layer of biochemical instructions ...

Biology - Cell & Microbiology

May 09, 2013 5 / 5 (3) 0 |