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Tuesday, November 8, 2016
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Year of Discovery: 260 B.C. What Is It? The two fun da men tal prin ci ples un der ly ing all phys ics and en gi neer ing. Who Dis cov e... -
A trove of fossils found deep in a South African cave adds a baffling new branch to the human family tree. Conjured in clay and cast in ... -
Source: 536 PUZZLES & CURIOUS PROBLEMS by Henry Ernest Dudeney Introduction Henry Ernest Dudeney (the last name is pronounced with... -
Though their head-bobbing walk may be comical, pigeons in flight are no fools. They’re urban artful dodgers, threading their way among bu...
