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How Far Can You Reach?
September 24th, 2021

Have you ever held hands in a long line? How far did you all stretch? Our fan Lily J. asked, if everyone in the U.S. held hands, how long would that line be? We can use a very cool body math fact to figure this out: your arms stretch across about the same distance as […]

The Race to Eat 100 Plates
November 27th, 2020

Thanksgiving might be behind us, but the holiday eating season is just getting started! Maybe that’s why our friend Charlize C. asked, how long would it take to eat 100 plates of food? Well, that depends on both the food and the person eating it. 100 plates of lettuce will feel light and fluffy compared […]

Hand It Over!
March 24th, 2020

When you do one simple thing, like flicking a light switch, your body is actually doing tonsof things. Your eyes and brain have to work together to send your hand to the right spot. And your hand isn’t one thing, but a crazy connection of muscles, bones, and tendons. Our friend Maggie K. wanted to know: […]

Out-Of-This-World, and Seven More
March 16th, 2020

There are a lot of mysteries on Earth. But there are even more in outer space. Maybe that’s why our friend Nathan W. asked: how long would it take to fly to every planet in our solar system? Well, since those other 7 planets are also circling around the Sun, the distance between them and […]

Truth Brush
February 4th, 2020

Have you ever wondered how many bristles are on a toothbrush? Get the good clean answer in this kid-created story!

Hang onto Your Hair!
January 5th, 2020

If a cat earned a dollar for every hair it shed, how much money would the kitty have at the end of 1 year? Read on to do the hairy math!

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