Big Biology
Big Biology
Ep 31: Methusalicious
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Ep 31: Methusalicious

If natural selection is constantly ridding lineages of detrimental traits, why do all organisms wear down with age? Why does restricting the diet slow down the aging process?

On this episode of Big Biology we talk with Jenny Regan and Dan Nussey, scientists at the University of Edinburgh who study why some organisms age at different rates and what phenotypic plasticity might have to do with this with variation. We discuss how aging happens, why species vary, and some of the major theories scientists use to explain it. We als…

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