Hi Dr. Universe! I’m Bree and I just wanted to ask, how do cats land on their feet? -Bree, 10, Williamsburg, VA
Curiosity can lead us cats to some pretty great heights. We like to climb trees and sneak along tall bookshelves. Sometimes we might have a bumpy landing, but more often our amazing cat reflexes help us land on our feet. » More …
Dear Dr. Universe: Why do leaves change colors? -Lucy, 5, Seattle, WA
Ever since I was a kitten, I’ve loved picking up big maple leaves in the fall. I’d take them home, put them under a piece of paper, and rub the side of a crayon over the top. It makes a great print of the leaf. » More …
What is the smallest insect on Earth? -Laurenz, 8, Molino, Philippines
When I saw your question, I set out to explore with my bug net and a magnifying glass. I was searching all around for tiny insects when I ran into my friend Laura Lavine, a Washington State University scientist who studies bugs.
She said there are nearly a million different kinds of insects on Earth. The smallest of all the known ones are called fairyflies. » More …