Sunday, December 27, 2009

Are We Alone for 12/28/09 - Time's Mysteries Part I: Marking Time

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Are We Alone - Time's Mysteries Part I: Marking Time

ENCORE: Time’s a mystery, yet we’ve invented clever ways to capture it. From sundials to atomic clocks, trace the history of time-keeping. Also, discover the surprising accuracy of nature’s dating schemes – from the decay of carbon to laying down tree rings.

Plus, why the “New York minute,” stretches to hours in Rio de Janeiro: cultural differences in the perception of time.

Guests: You can listen to this and other episodes at, and be sure to check out Are We A Blog?, the companion blog to the radio show.

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