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Interview: Mind of a Fossil Hunter with Kirk Johnson
What do fossilized leaves, an asteroid, and Florida sinkholes have in common? Dr. Kirk Johnson is Sant Director at the Smithsonian Institution, National Museum of Natural History, and has the answers. Kirk oversees one of the largest natural history collections on the planet – and he’s spent his career digging into the story of life on Earth across millions (and billions) of years.
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Amazing fossils reveal how mammals took over after an asteroid wiped out the dinosaurs.
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