If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have evolved testicles of all different sizes. In almost all these separate cases, ...

Naturally, each of them is sort of an upgrade to the previous series. Having in mind that this evolutionary process has been complicated by the privatization of the Japanese railways we will introduce ...

Human evolution is not a straight line but a complex branching tree shared with other great apes. This overview explains the ...

Carcinization is a captivating type of convergent evolution where five different groups of crustaceans have separately evolved to have crab-like body structures. Evolutionary paleobiologist Matthew ...

Nobody likes to wait, and we are willing to pay to avoid it. Expedited shipping, fast food and video streaming are all profitable because they reduce or eliminate that wait. You can test this by ...