Science

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Inside a lab in Boulder, Colo., James Chou turns a crank underneath a table, raising one clock 33 centimeters higher than another, identical clock. As the table moves, the tick rate speeds up by 3.5 trillionths of a second.

Regarding the expanding universe which recent observations shows is accelerating: I understand that not everything is expanding, just the space between galaxies. Is that correct? If so, why? -- Bill Ellena It's true -- not everything is expanding. The earth…

DetectFlashDecision_Blog('news01s4595qfc4', 'SgO4uNUA0mA', '29'); Radiolab is hard to define. The hour-long radio program, co-hosted by Jad Abumrad and Robert Krulwich and produced by WNYC in New York, draws on philosophy, literature, popular culture, and even religion to explain…