Silvana Condemi

In December 2010, scientists discovered a fragment of a finger bone in the remote, isolated Denisova Cave in Siberia. To their surprise, the bone contained neither Homo sapiens nor Neanderthal DNA. Rather, the fast-advancing science of paleogenetics revealed that the DNA came from a previously unknown species of hominids—the Denisovans (as they almost immediately came to be called)—who shared a...

In December 2010, scientists discovered a fragment of a finger bone in the remote Denisova Cave in Siberia. To their surprise, the bone contained neither Homo sapiens nor Neanderthal DNA. Rather, the fast-advancing science of paleogenetics revealed that the DNA came from a previously unknown species of hominids—the Denisovans—who shared a common ancestor with both Neanderthals and Homo sapiens. This...

A concise, illustrated update on our earliest ancestors, the first sapiens—and on how (and when) we distinguished ourselves. Prehistory is changing quickly: Thanks to progress in genetics and dating methods, we now know more than ever about our ancient relatives. A Pocket History of Human Evolution will bring us up to date on the exploits of Homo erectus and ergaster,...