Our ancestors probably didn't suffer as much from parental sleep deprivation, leading some scientists to reconsider ...
BBC Wildlife on MSN
"They wore clothes, wielded fire, and created art; they may have even been smarter than us..." Just who were our closest cousins?
From ice-age hunters to our closest extinct relatives, this essential guide uncovers who the Neanderthals really were — and what they reveal about us.
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