The art of getting DNA out of decades-old pickled snakes

Two levels underground, Chicago's Field Museum has a secret bunker. The sub-basement Collections Resource Center houses millions of biological specimens for scientists around the world to use in their research, including ...

Dense bones allowed Spinosaurus to hunt underwater, study shows

Spinosaurus is the biggest carnivorous dinosaur ever discovered—even bigger than T. rex—but the way it hunted has been a subject of debate for decades. It's hard to guess the behavior of an animal that we only know from ...

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