News
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AstronomyDouble the rubble: Nearby star system has two asteroid belts
Epsilon Eridani hosts an inner asteroid belt and planet arranged like those in the solar system.
By Ron Cowen -
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Health & MedicineStopping rotavirus before it hits
A vaccine against rotavirus shows potent protection against the diarrhea-causing pathogen in its first year of widespread use.
By Nathan Seppa -
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SpaceTry, try again
NASA announced October 23 that, despite a series of setbacks, the prognosis is good for reviving the Hubble Space Telescope.