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The Surprising Origins Of Pi Day

A holiday devoted to a math constant might not sound exciting. But Pi Day, celebrated every March 14 (3/14) in the United States, is an exception. The day usually starts with activities celebrating pi (π) — the ratio of a circle’s circumference to its diameter (about 3.14). But it almost always ends with a tasty slice of pie....

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The Surprising Origins Of Pi Day

Ancient Giant Shark Discovery Rewrites History

In the early 1990s, five unusually large shark vertebrae were unearthed along the rugged coastline near Darwin, Australia. At the time, they were thought to be the remains of a great white shark, the largest living predatory fish. The bones were placed in a local museum collection and soon forgotten. As it turned out, the fossils were not from a great white at all. Instead, they belonged to a previously unknown species of an extinct giant shark that ruled the oceans millions of years ago....

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Ancient Giant Shark Discovery Rewrites History