For millions of years, the common wall lizard kept a fragile evolutionary balance with vibrant orange, yellow, and ...

The cellular biology of reproduction is often depicted as an epic journey, in which millions of intrepid sperm fight to be the first to claim the ultimate prize: the chance to fertilize the egg, which ...

One of the biggest quests in biology is understanding how every cell in an animal’s body carries an identical genome yet still gives rise to a kaleidoscope of different cell types and tissues. A ...

The peppered moth is an iconic example of Charles Darwin’s theory of evolution by natural selection. For centuries peppered moths (Biston betularia) were common in the forests around Manchester, ...

A simple change in species composition can impact the course of evolution: A research team from the University of Bern and the University of British Columbia in Canada shows that the presence of just ...