Pesticide-treated bed nets trigger rapid evolution and resistance in one common species of sub-Saharan African mosquito, new study finds.
Males have better spatial skills, but stubbornness holds them back on a simple task.
A long-held explanation for the spectacular diversity of fishes turns out to be wrong.
Clues hidden in leaf fossils reveal shift to vegetation that smolders rather than flares.
Large brains used to be an advantage, then humans happened.