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12:16
Three Years After the Fukushima Nuclear Meltdown
Three out of the six reactors at the Fukushima Daichii nuclear power plant suffered a meltdown.
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25:10
As the Web Turns 25, Where Is It Going Next?
We celebrate the web’s 25th birthday with an archival clip of Tim Berners-Lee, the web’s inventor, and take a look ahead with Lee Rainie of the Pew Research Center.
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9:05
EncROACHment: New York’s Invasive Cockroaches
Rutgers University entomologists unravel clues to identify a new invasive roach species in New York City.
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10:01
Could a Blood Test Help Diagnose Alzheimer’s?
In a preliminary study, researchers identified 10 lipids in the blood that correlated with an increased risk for Alzheimer’s.
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25:50
Celebrating Irrational, Transcendental Pi
As we celebrate Pi Day, mathematician Steven Strogatz talks about how the ancients calculated pi—and how you can do it at home.
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10:33
SciFri’s Winter Nature Photo Contest Winner…Revealed!
Winter Nature Photo Contest judge John Weller discusses your top shots.