In this episode, we climb up, down and all around our evolutionary family tree. When did we branch off from our more ape-like ancestors? And will we evolve one day into a different species altogether? We'll meet a bearded scientist from 160 years ago (no, not Charles Darwin) and eat some sundaes (thanks lactase persistence!). Plus a brand new Moment of Um answers the question: Do insects have the same blood as humans? This episode is sponsored by: Calm (calm.com/brainson)Quip (getquip.com/brainson) The podcast Josie and Jonny are Having a Baby With You. You can support Brains On at brainson.org/donateSee omnystudio.com/listener for privacy information.

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