The Doomsday Clock is perhaps the most sobering graphic symbol ever created: a quarter of a clock with four big dots to mark the countdown to midnight, an euphemism for the end of world You might ...

Intel shares struggle after losing half their value over 5 years. New CEO Lip-Bu Tan aims at cost-cutting and boosting ...

What is the molecular clock? Levels of molecular variation could be used, in principle, to estimate divergence times, serving as evolutionary "clocks" that "tick" at different rates. Subsequent ...