The best fake plants both look real and are built to last. Check out our top picks for the best fake plants from Nearly ...

What Does 'Natural Selection' Mean? Natural selection is a mechanism of evolution—not evolution itself. "Natural" refers to ...

Plants Ecosystems Paleontology Neuroscience Genetics Microbes Health & Medicine Getting drugs into the brain is hard. Maybe a parasite can do the job By Tina Hesman Saey July 29, 2024 ...

Evolution by natural selection must have a mechanism. Darwin knew in his heart that evolution by natural selection happened, but he didn't know how. In fact, he proposed a mechanism of heredity ...