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A potted scarlet monkeyflower would die within a few days without water. But multiple natural populations of the species ...

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

Researchers say recently discovered teeth come from a previously undiscovered species of Australopithecus, adding to our understanding of human evolution. Maybe you've seen the T-shirts or the mugs, ...

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 ...

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 ...