The evolution of sperm and the enduring mystery of the scrotum; How our brain rewires itself 4 times in life; The (real) disaster scenarios of imminent climate breakdown
Episode 334 Which sperm is the oldest sperm - the ancestor sperm that came before all others? Well, you might think it links back to an ancient animal that came before us, but the oldest sperm may actually predate animals altogether. We explore this plus the enduring mystery of the scrotum - and why a male’s most…
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