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Putin sigue amenazando con usar armas nucleares. ¿Lo haría?

La semana pasada, el presidente de Rusia pareció rebajar el umbral para el uso de armas nucleares por parte de su país. No fue sutil, ni pretendía serlo.
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Scientists Found a Surprising Way to Make Fungus Happy

The discovery that sound improves the growth rate of beneficial fungus suggests that dirges in the dirt may help restore forests.
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Researchers Find Cannibalized Victim of 19th-Century Arctic Voyage

A new study offers clues to a 179-year-old mystery that killed more than 100 explorers on the Franklin expedition in the Canadian Arctic.
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The Oldest Termite Mound? 34,000 Years and Counting.

Scientists recently found the planet’s longest continuously occupied termite colony in an arid region of South Africa. It dates to the time of the Neanderthals.
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DNA Reveals the Origin Stories of America’s Captive Tigers

Scientists have wondered if the many captive tigers in the United States could one day help restore the species in the wild.