NOVA Online: Odyssey of Life (see bottom of page for navigation)
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100,000,000,000,000? Zowie, you're right! If you were to say this number, you would say one hundred thousand billion. (Good thing they're small.) How many is that? Well, if you were only to count to 1 billion day and night without stopping, it would take you almost 32 years! (You can probably think of something better to do, huh?)

If you were to count all of them, it would take you about 3.2 million years!!!!! Kinda hurts your head to think about it, huh?

Yeah, my head hurts. Take me back.





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