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Science News February 28, 2004 Ivars Peterson	Heads or Tails? A new mathematical analysis now suggests that, in a typical toss, a coin is more likely to land on the same face as it started out on.
Science News February 19, 2005 Ivars Peterson	The Coin in the Cake An International Mathematical Olympiad worked out the probability of cutting through a coin placed in a cake... Puzzle of the Week...
Science News May 7, 2005 Ivars Peterson	Coins in a Row Even seemingly simple mathematical games can have unexpected complications. No one has yet worked out an optimal strategy that works for any number of coins.
Science News December 23, 2006 Ivars Peterson	The Coin in the Cake Hiding a coin in a cake offers a lucky slice and a tantalizing math problem.
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