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Meet the Gastric-Brooding Frog
These extinct frogs used to barf up their babies—and now scientists are trying to bring them back from the dead. Discover more in this episode of Gross Science.
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53:06
Will experimental particle physics confirm the wild predictions of string theory?
52:56
Do miniscule vibrating strands of energy hold the key to a unified theory of physics?
52:55
Combining the laws of the universe in one theory that explains it all is the Holy Grail
