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NOVA
Mammal Fossils Fill in Missing Piece of the Timeline of Life
Paleontologists analyze concretions—hard orbs of minerals that can collect around material like bone—and discover fossils of mammals that lived on Earth just after an asteroid killed the dinosaurs.
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What led to the devastating floods that Hurricane Katrina unleashed on New Orleans?
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Journey back to the beginning of everything: the universe, Earth, and life itself.
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50:52
Journey back to the beginning of everything: the universe, Earth, and life itself.
Unlock with PBS Passport
51:52
Journey back to the beginning of everything: the universe, Earth, and life itself.
Unlock with PBS Passport
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Combining the laws of the universe in one theory that explains it all is the Holy Grail
