As viewed from a human perspective, nature has done some ingenious engineering to overcome some of the obstacles it has faced. Take the evolution of sex, for instance. To make the move from asexual to ...

The closer Greece gets to rupturing with the euro zone, the more I am reminded of long-ago 10th grade biology, in which we learned about the process of cell division: mitosis, a word of Greek origin.

Pluripotent mouse embryonic stem cells maintain their identity throughout virtually infinite cell divisions. This phenomenon, referred to as self-renewal, depends on a network of sequence-specific ...