The cross-discipline effort to work our how ancient humans learned to count.In this episode:00:45 Number originsAround the world, archaeologists, linguists and a host of other researchers are trying to answer some big questions – when, and how, did humans learn to count? We speak to some of the scientists at the forefront of this effort.News Feature: How did Neanderthals and other ancient humans learn to count?07:47 Research HighlightsHow sea anemones influence clownfish stripes, and how skin-to-skin contact can improve survival rates for high-risk newborns.Research Highlight: How the clownfish gets its stripesResearch Highlight: Nestling skin-to-skin right after birth saves fragile babies’ lives09:48 Briefing ChatWe discuss some highlights from the Nature Briefing. This time, an upper limit for human ageing, and could tardigrades survive a collision with the moon?Scientific American: Humans Could Live up to 150 Years, New Research SuggestsScience: Hardy water bears survive bullet impacts—up to a pointSubscribe to Nature Briefing, an unmissable daily round-up of science news, opinion and analysis free in your inbox every weekday.
 See acast.com/privacy for privacy and opt-out information.