In a comparative analysis across vertebrates of the many cell types in the retina -- mice alone have 130 types -- researchers concluded that most cell types have an ancient evolutionary history. Their ...

The second science -- Simple selection -- The genetic and ecological context of selection -- History, chance, and necessity -- The rate of genetic deterioration -- The rate of environmental ...

My colleague and I have published a new study of cactus flowers which may help explain the conundrum. For more than a century ...

Usually, when someone starts talking about the interface between evolution and physics, it’s a prelude to a terrible argument that attempts to claim that evolution can’t possibly happen. So, ...

Supergenes that lock inherited traits together are widespread in nature. Recent work shows that their blend of genetic benefits and risks for species can be complex. Thousands of miles from home in ...