University of Pennsylvania

Owl monkeys don't cheat, study shows

True monogamy is rare in the animal kingdom. Even in species that appear to "mate for life," genetic maternity and paternity tests have revealed that philandering often takes place.

Mar 18, 2014
4.5 / 5 (6) 0

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