Friday, January 31, 2020

A New and Controversial U.S. Nuclear Weapon Goes to Sea

A New and Controversial U.S. Nuclear Weapon Goes to SeaThe missile submarine USS Tennessee is the first to deploy with the W76-2 warhead.




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Scientists discover why some DNA-doubled cells refuse to die

Scientists have uncovered a surprising twist in how cells behave when division goes wrong. Sometimes a cell successfully copies its DNA but ...