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• What scientists found under this massive Greeland glacier is 'supercharging' its melting

• Nuclear monitoring stations went mysteriously quiet after Russian missile facility explosion

  Four Russia-based nuclear monitoring stations that monitor radioactive particles in the atmosphere have mysteriously gone quiet after an August 8 explosion at a Russian missile testing facility, an explosion that has sparked confusion and concerns about possible increases in radiation levels, according to the Comprehensive Nuclear-Test-Ban Treaty Organization.