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3:26
Baseball vs. Soccer: Which sport has the best curves?
2:51
Fossilized fish appear to preserve the fallout of the asteroid that killed the dinosaurs.
2:41
Researchers photograph two newborn planets for the first time.
3:20
Mixing mammoth and elephant genes could be the key to saving the Arctic.
8:22
Kevin Esvelt's on a mission to eradicate Lyme disease on Nantucket and Martha’s Vineyard.
3:35
This trove of mammal fossils paints a timeline of life after the dinosaurs died.
1:34
The Denver Basin preserves a pristine record of ecosystem recovery.
1:34
Plants can help us understand how life rebounds after a mass extinction.
4:35
Researchers hope to observe lunar material ejected from an impact.
1:55
DNA evidence reveals surprising truth about the identity of a revered 9th-century Viking.
