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There are few animals humans fear more than sharks. This is understandable: Sharks are big, dramatic creatures that have been permanently lodged in our culture as underwater killers since Jaws. They also kill about six people in a given year. Snakes, on the other hand, kill roughly 100,000. After mosquitoes, which spread diseases like malaria, […]

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Ismail Harerimana grew up in Uganda not knowing why he was always sick. His childhood in the 1990s was a string of recurrent infections: malaria, diarrhea, headaches, and skin rashes. By 14, he was scarily thin, at which point doctors put him on a new medication that seemed to help. It was for kidney disease, […]