A chemical system of synthetic replicators showing the first signs of Darwinian evolution: two different replicators compete for a common building block, and which one wins depends on the environment.

In this interview, immunologist Ruslan Medzhitov explains how fundamental inflammation is, why it often goes wrong, and whether there's anything we can do about chronic inflammation. When you purchase ...

Is the sun an only child? Or was it born into a (very, very) big family? The answer would tell us more than just how awkward holiday family reunions can be (if you think yours are bad, imagine how ...