Flipping through a deck of cards in the library as her friends and classmates slough through books and papers means that, sometimes, people want answers from Carolyn Chen. "I usually have to reassure ...

Sometimes the easiest, simplest way to liven up a party, sleepover, family gathering or presentation to a class is to perform a magic trick. Most magic tricks require fancy costumes and props, but ...

You're on the trading floor, trying to price out if a 15-year bond issued by General Electric will generate the returns needed to placate your investors. Bad news, your calculator is dead and the ...

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