SciShow

Fidelity Hormones, Contagious Behavior, and the Meat-Allergy Plague (2012x175)

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This week's SciShow News finds Hank up to his elbows in weird disorders and strange behaviors, including a chemical that makes men stay faithful, new insights into what makes some behavior contagious, and the truth about a disease that makes people allergic to meat. Who's hungry?