Early humans may have evolved black skin to protect against a very high risk of dying from ultraviolet light-induced skin cancer, a new analysis concludes. Skin cancer has usually been rejected as the most likely selective pressure for the development of black skin because of a belief that it is only rarely fatal at ages … Continue reading Skin cancer risk may have driven evolution of black skin — ScienceDaily
Day: February 26, 2014
The importance of (experimental) design — ScienceDaily
One of the hottest debates in evolutionary biology concerns the origin of behavior: is it genetically encoded or do animals and birds copy their parents or other individuals? A classic experiment published in 2000 seemed to provide overwhelming evidence that a particular behavioral choice (whether individuals of a species of swallow breed in a small … Continue reading The importance of (experimental) design — ScienceDaily
SelfAwarePatterns 