What does the appendix do? Biologists explain the complicated evolution of this inconvenient organ

Most people know only two things about the appendix: You don’t need it – and if it bursts, you need surgery fast. That basic ...
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Your appendix is not, in fact, useless. This anatomy professor explains

It was the first day of spring break in 1992 in Phoenix, 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, ...