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Prion evolution takes lessons on diversification from viruses

When prions are transferred from one species to another—like from sheep and cows to mice in the laboratory or to humans in the case of the fatally neurodegenerative variant Creutzfeldt-Jakob disease—new forms of the infectious proteins can emerge over time that make them deadly to the new host...

January 1, 2010 — Carina Storrs

Combating climate change by observing Earth

As part of the U.S. charm offensive at the recent Copenhagen summit on climate change, a roughly one meter-diameter orb helped display a decade's worth of climate data collected by NASA satellites...

December 30, 2009 — David Biello

Music to the (ringing) ears: New therapy targets tinnitus

Loud, persistent ringing in the ears, known as tinnitus, can be vexing for its millions of sufferers. This perceived noise can be symptomatic of many different ills—from earwax to aging—but the most common cause is from noise-induced hearing loss, such as extended exposure to construction or loud music, and treating many of its underlying neural causes has proven difficult...

December 28, 2009 — Katherine Harmon

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