What makes head lice different from body lice had scientists scratching their heads as previous genetic studies failed to find any substantial differences between the two types of lice.
Jul 28, 2015 in Ecology
Over the course of evolution, humans and other animals have developed biological clocks. These act as internal timekeepers and are synchronised by environmental cues, mainly the daily alternation between day and night. These ...
Jul 21, 2015 in Ecology