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April 3, 2016

Fibonacci Numbers

Numbers are practical and handy things, very useful for counting and identifying your mailbox and so on. But they can be pretty amazing, too. Take Fibonacci […]
March 10, 2016

Is It Done Yet?

It takes a lot of energy to squeeze somebody to death. You probably haven’t give this much thought, but it is something boa constrictors have to […]
February 24, 2012

Leap Year

If you’re having trouble keeping up with your homework, I have some good news for you: You get an extra day this year. 2012 is a […]
April 10, 2011

Remember, Remember

  We sometimes think of our memories as a sort of mental DVD or computer disk where our brains record things that happen to us. You […]