Biologists say the appendix isn’t useless after all. Evolution kept reinventing it, and it may help support gut immunity and ...

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 ...

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...

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 ...