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Your appendix is not, in fact, useless. This anatomy professor explains

Selena Simmons-Duffin As an evolutionary anatomist, Heather Smith studies the fossil record of extinct species. Heather SmithIt was the first day of spring break in 1992 in Phoenix, Ariz. and 12-year-old Heather Smith was excited for her family’s upcoming ski trip But before Smith and her family had even packed their snow pants, she realized...