Lamont-Doherty Earth Observatory176
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Foot Forward
In 1968, 14-year-old Paul Olsen of suburban Livingston, N.J., and his friend Tony Lessa heard that dinosaur tracks had been found in a nearby quarry. They raced over on their bikes. “I went ballistic,” Olsen recalls. Over the next few years, the boys uncovered and studied thousands of tracks and other fossils there, often working into the night. It opened the…
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What Was That Big Bang?
Iran seems to be moving toward an atomic bomb; North Korea reportedly could build a half dozen; and terrorist attacks have revived the specter of a faceoff between nuclear-armed Pakistan and India. Yet the Comprehensive Test Ban Treaty, forbidding nuclear testing, has failed to win ratification from the U.S. Senate and lawmakers of some other nations. Opponents say scientists cannot reliably detect clandestine tests: Why should…
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