In this episode:

00:37 Evidence that Stonehenge's Altar Stone travelled by glacier

BBC Science Focus: We may have just cracked one of Stonehenge's greatest mysteries

05:44 Fossilized faeces reveal DNA from ancient ecosystem

Nature: Ancient ground squirrels feasted on carcasses like ‘zombies of the Pleistocene’

Subscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday.

Hosted on Acast. See acast.com/privacy for more information.