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Today, Pause for a Second

For the great majority of human history, the earth's rotation—the apparent motion of the sun and stars across the sky—kept time far more precisely than any

Reading the Secrets of Ancient Light

Much of what we know about the origin and early history of the universe comes from a phenomenon discovered by accident 50 years ago: The cosmic microwave

OPM data breach – what should you do? 

OPM data breach – what should you do? A data breach at the Office of Personnel Management (OPM) – and you’re a current or former federal employee whose personal