I share a birthday (same day and month) with Francisco Franco. If you don’t know who that is, he was a Spanish military general who served as the dictator of his country from 1939 to 1975. He was often referred to as El Generalisimo and was known for his violent and inhumane enforcement of his...
It is a snail with an iron shell that doesn’t need to eat. It lives in deep-sea hydrothermal vents in the Indian Ocean. Its shell has three layers: the outer layer is made of iron sulfides, making it the only known extant creature that incorporates such substances into its skeleton. The middle...
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