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Cookies for Your Pet Grasshopper
October 28th, 2020

We know that bugs like to eat our people food: just go on a picnic and watch the ants sneak up on you. So our fan Joey K. asked a great question: how fast could a grasshopper eat a cookie? Well, if grasshoppers like cookies as much as ants do, we can figure this out! […]

Your Very Hungry Vacuum Cleaner
October 27th, 2020

Have you ever lost a coin or a shoelace into a vacuum cleaner? How does the vacuum suck it up like that? The machine has a really strong fan spinning inside. Instead of blowing air out at you, it pulls air — and dirt, and Lego, and little fuzzies from your sweater — up into […]

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 […]

How Far Can You Reach?
October 26th, 2018

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 […]

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