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Episode 1566

No Cap, No Lie

We take our voices for granted, but it’s truly miraculous that we communicate complex thoughts simply by moving our mouths while exhaling. A fascinating new book reveals the science, history, and linguistics involved in human speech. And...

Vaccine Etymology

Vaccines take their name from vaccinia, the virus that caused cowpox. It was the original ingredient used to vaccinate people against smallpox. Stefan Riedel, a pathologist at the Baylor University Medical Center, offers a detailed history of the...