Episode

BrainStuff

HowStuffWorks

Science & Medicine, Natural Sciences, Society & Culture, Technology

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Science & Medicine 8
Natural Sciences 4

Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.

Why Do Men Have Nipples?

July 25th, 2016

Episode 1030 of 1132 episodes

Men don’t usually lactate – but they can! Christian explores how breast tissue develops in human embryos of both sexes, and explains why mice are more advanced, evolution-wise.

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