Amud 7, the Neanderthal baby who shows they developed faster than modern humans

Neanderthals and Homo sapiens were more than just sister species. Differing by only a few dozen genes, they had sex and produced offspring repeatedly — a fact that, for some researchers, even calls into question how distinct they truly were. Yet a detailed analysis of the remains of a Neanderthal baby shows that from a very young age, they were already different, at least in their bones. The study, published in Current Biology, also suggests that Homo neanderthalensis children developed at a faster rate than Homo sapiens. The harsher environmental conditions they faced may explain this crucial difference.

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