University of Pennsylvania

Evolution can select for evolvability, biologists find

Evolution does not operate with a goal in mind; it does not have foresight. But organisms that have a greater capacity to evolve may fare better in rapidly changing environments. This raises the question: does evolution favor ...

Nov 14, 2013
4.2 / 5 (5) 1

Study finds earlier peak for Spain's glaciers

The last glacial maximum was a time when Earth's far northern and far southern latitudes were largely covered in ice sheets and sea levels were low. Over much of the planet, glaciers were at their greatest ...

Aug 26, 2013
4.1 / 5 (9) 1 | with audio podcast