Our fan Joey K. asked a great question: how fast could a grasshopper eat a cookie? Scientists aren’t sure how fast a grasshopper eats, but they do know that it can eat 16 times its own weight in 1 day! These bugs each weigh about half a gram, so the grasshopper could eat only 8 […]
How does a vacuum cleaner work? The machine has a really strong fan spinning inside. Instead of blowing air out at you, the fan pulls air — and dirt, and Lego, and little fuzzies from your sweater — up into the vacuum. A normal vacuum cleaner can lift about 5 pounds with the hose attachment, […]
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 […]
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 […]