September 4, 2016
facial reconstruction of Australopithecus afarensis photo by Cicero Moraes, CC 3.0

When Did Lucy Live and How Did She Die?

Recently a reader wrote in and asked, “When did Lucy live?” That’s not only a great question, it’s a very timely one because Lucy has been […]
August 8, 2016
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What’s Up Your Nose?

Your nose may be dripping more than snot. Many antibiotics are found in lurking in soil and fungi deep in the rainforest. But recently scientists have […]
July 25, 2016
Far side of the Moon, photo credit: NASA/NOAA

Dark Side of the Moon

You’ve probably heard the expression “the dark side of the Moon”—maybe you’ve even heard the Pink Floyd album Dark Side of the Moon. But even though […]

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April 3, 2016
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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
Boa_constrictor_(2)

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
Screen shot 2012-02-24 at 12.04.32 PM

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
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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 […]