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17:49
How The Past Hints About Our Climate’s Future
To narrow uncertainties about the future’s climate, researchers want to look to prehistoric fossil and ice records.
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11:54
How Will Russian-U.S. Politics Affect Our Relationship in Space?
NASA suspended a majority of its communications with Russia in response to the conflict in Crimea.
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27:16
Roger Penrose: Cosmic Inflation Is ‘Fantasy’
What’s wrong with modern physics—and could alternative theories explain our observations of the universe?
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6:30
Inside Insight: Clearing and Staining Fish
Clearing and staining gobies, stingrays, and sharks has revealed to scientist Adam Summers critical data, as well as the beauty of each fish’s unique form.
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11:59
Diving Into the Underground Ocean of One of Saturn’s Moons
Enceladus, one of Saturn’s moons, may have an underground ocean the size of Lake Superior.
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34:47
The Origins of Violence
An anthropologist, a psychologist, and a crime writer ask: Are humans hard-wired for violence?