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  • What causes the smell after rain? What would happen if the polar ice caps melted? How do the Norther...

Episodes

How hair length works

As hair cells form in follicles, they push other cells out of the follicle. Check out this HowStuffWorks podcast to learn more about your hair's growt... Read more

July 24, 2015 | 2 min

How are old black and white movies colorized?

Adding color to black and white movies is incredibly tedious. To speed up the process, the coloring is done on a computer, using a digital version of ... Read more

July 22, 2015 | 1 min

Why doesn't paper money disintegrate in the washing machine?

Normal paper is made of cellulose from trees, but paper money is made from cotton and linen fibers. Learn how this makes paper money more water-resist... Read more

July 20, 2015 | 1 min

What would happen on a carousel moving at the speed of light?

If you could spin a carousel fast enough, would time stand still for the people on the carousel? Theoretically, it's a reasonable assumption. Join Mar... Read more

July 17, 2015 | 2 min

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