HumansLost art of the Stone Age: The cave paintings redrawing human historyNewly discovered cave art gives fresh insight into the minds of our ancestors - and upends the idea that a Stone Age cultural explosion was unique to EuropeFeatures
LifeMany female animals are evolving to look more attractive to mates Sexual selection, a mechanism of evolution that can drive the appearance of bright feathers and elaborate horns, is more widespread among females than many researchers expected 51¶¯Âþ