Ancient gut microbiomes shed light on human evolution

The microbiome of our ancestors might have been more important for human evolution than previously thought, according to a new study published in Frontiers in Ecology and Evolution. An adaptive gut microbiome could have been ...

Tunneling under Stonehenge—the effects of urban sprawl

Earlier this month, officials in England proposed a plan that could alleviate traffic on one of the most congested highways from London to southwest England. The idea involves digging a tunnel just south of Stonehenge, the ...

Our hominid ancestors made and used tools

Neil Norman found the tools when he and Bruce Larson were walking down the local wadi, a usually dry watercourse that hadn't moved much in a long, long time.

Oldest-known stone tools pre-date Homo

Scientists working in the desert badlands of northwestern Kenya have found stone tools dating back 3.3 million years, long before the advent of modern humans, and by far the oldest such artifacts yet discovered. The tools, ...

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