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ScienceCasts: Superflares

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Visit http://science.nasa.gov/ for more! Something is exploding in the Crab Nebula ten billion times more powerful than a solar flare. These "superflares" are baffling astronomers who haven't yet figured out the source of the blasts.
04:16
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Visit http://science.nasa.gov/ for breaking science news. Researchers studying thunderstorms have made a surprising discovery: The lightning we see with our eyes has a dark competitor that discharges storm clouds and flings antimatter into space. Astrophysicists and meteorologists are scrambling to understand "dark lightning."
03:28
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Visit http://science.nasa.gov/ for more. NASA's Fermi Gamma-Ray Telescope is finding hundreds of new objects at the very edge of the electromagnetic spectrum. Many of them have one thing in common: Astronomers have no idea what they are.
03:09
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Visit http://science.nasa.gov/science-news/science-at-nasa/2011/18oct_600mysteries/ for the full story. The Fermi Gamma-ray Space Telescope recently produced a map of the night sky. Out of 1873 new sources, nearly 600 were complete mysteries. In this week's ScienceCast, researchers speculate on the nature of the mystery objects - including the possibility that they are made of dark matter.
02:48
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Visit http://science.nasa.gov/ for more! Strange quantum fluids that love to sneak out of cups have been found trapped inside the core of a dead neutron star.
03:52
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Visit http://science.nasa.gov/ for breaking science news. An advanced particle detector onboard the International Space Station may have recorded its first whiff of Dark Matter. Researchers are excited about the possibility of finally understanding what this mysterious substance is made of.
03:31
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Visit http://science.nasa.gov/ for more. En route to the Red Planet, Mars rover Curiosity has experienced the strongest solar radiation storm since 2005. No need to be alarmed: Researchers say it's all part of Curiosity's job as a 'stunt double' for human astronauts.