Hello Dr. Universe: I was wondering, how does an eclipse happen?
– Susan, 13, San Francisco, CA
It just so happens the Great American Eclipse is coming up on Aug. 21, 2017. This solar eclipse will be the only one visible from across the lower 48 states in nearly a hundred years. When it happens, parts of the country will experience darkness for a couple minutes during the day. » More …
Dear Dr. Universe: I would like to find out how ants are so strong. How is it possible that they can carry weight that is heavier than themselves?
Ants are pretty good little weightlifters. My friend Rich Zack, a scientist at Washington State University who studies insects, knows a lot about ants. One kind of ant that he has studied can carry up to 20 times its own weight. » More …
Why can’t we just print a bunch of money to make everyone rich?
– Daniel, 8
It sure sounds like a nice idea. Print a bunch of money and everyone gets rich. We could buy anything we wanted. Ah, if only it were that easy. It turns out printing more money would have a much different outcome than we might like to imagine. » More …
Why do people grow hair under their nose? Why does it grow down instead of up?
–Riley, 11, Prior Lake, MN
Humans have hair all over their bodies, including above the upper lip. Of course, not all hair is quite the same. A lot of people have very fine hairs on their faces. Others can sprout a thick beard or mustache. » More …