Evolutionary evidence why tenured professors don’t need a brain

In a very entertaining talk, Neuroscientist Daniel Wolpert explains the “real” reason for brains and how evolutionary evidence proves that the brain has evolved to control movement and not as a thinking or feeling organ.

Perhaps one of Wolpert’s best lines is when he compares tenured professors to Sea Squirts. Appartently, Sea Squirts swim around the ocean as juveniles and then implant themselves on a rock where they remain indefinitely. Once they no longer need to move, they digest their brains which, Wolpert contends, is proof that their brain was only necessary for movement. As Wolpert so eloquently put it:

Once you don’t need to move, you don’t need the luxury of that brain. This animal is often taken as an analogy to what happens in universities when professors get tenure…

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