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Infinite Series show's poster
Science and Nature
Infinite Series

How Many Humans Have the Same Number of Body Hairs?

Mathematician Kelsey Houston-Edwards offers ambitious content for viewers that are eager to attain a greater understanding of the world around them. Math is pervasive - a robust yet precise language - and with each episode you’ll begin to see the math that underpins everything in this puzzling, yet fascinating, universe.

How Many Humans Have the Same Number of Body Hairs?

Season 1 Episode 3 | 8m 35s | CC

Do two people on the planet have the exact same number of body hairs? How about more than two? There’s a simple yet powerful mathematical principle that can help you find out the answer. Kelsey Houston-Edwards breaks down the Pigeonhole Principle and explains how it can be used to answer some pretty perplexing questions.

Infinite Series

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