This rainforest tree solved one of evolution’s hardest problems. Here’s how it evolved to use tension and geometry to fire ...

A recent study reveals we have a long-lost relative which hung out with our more famous apelike ancestors about three million years ago. It turns out the human family tree is more complicated than we ...

David Toews works for Pennsylvania State University. He receives funding from The National Science Foundation. People typically think about evolution as a linear process where, within a species, the ...