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 ...

Evolution takes many forms. Sometimes, species can influence each other’s evolution. This is known as coevolution. Discover how coevolution works, who discovered this phenomenon and examples of it ...