Historically, fly and human Polycomb proteins were considered textbook exemplars of transcriptional repressors, or proteins that silence the process by which DNA gives rise to new proteins. Now, work by a ...

Biology - Cell & Microbiology

Apr 30, 2012 5 / 5 (1) 0 |

Hikers know that moss on a tree trunk always points north. According to new research by Israeli and German scientists, this ancient plant may also provide a new "compass" for stem cell research, telling scientists how better ...

Biology - Biotechnology

Sep 29, 2009 5 / 5 (3) 0