Unfreezing the ice age: the truth about humanity’s deep past

Unfreezing the ice age: the truth about humanity’s deep past

Archaeological discoveries are shattering scholars’ long-held beliefs about how the earliest humans organised their societies – and hint at possibilities for our own

In some ways, accounts of “human origins” play a similar role for us today as myth did for ancient Greeks or Polynesians. This is not to cast aspersions on the scientific rigour or value of these accounts. It is simply to observe that the two fulfil somewhat similar functions. If we think on a scale of, say, the last 3m years, there actually was a time when someone, after all, did have to light a fire, cook a meal or perform a marriage ceremony for the first time. We know these things happened. Still, we really don’t know how. It is very difficult to resist the temptation to make up stories about what might have happened: stories which necessarily reflect our own fears, desires, obsessions and concerns. As a result, such distant times can become a vast canvas for the working out of our collective fantasies.

Let’s take just one example. Back in the 1980s, there was a great deal of buzz about a “mitochondrial Eve”, the putative common ancestor of our entire species. Granted, no one was claiming to have actually found the physical remains of such an ancestor, but DNA sequencing demonstrated that such an Eve must have existed, perhaps as recently as 120,000 years ago. And while no one imagined we’d ever find Eve herself, the discovery of a variety of other fossil skulls rescued from the Great Rift Valley in east Africa seemed to provide a suggestion as to what Eve might have looked like and where she might have lived. While scientists continued debating the ins and outs, popular magazines were soon carrying stories about a modern counterpart to the Garden of Eden, the original incubator of humanity, the savanna-womb that gave life to us all.

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