Do bugs have hearts and brains? — Nick
melissamayer
Bugs have organs similar to your heart and brain—but they're super different. That's because insects are arthropods. Read More ...
Ask Dr. Universe
bugs
Dr. Universe: How do bugs walk on water? -Annelise W., 6, Seattle, WA
rcwebberDear Annelise,
The other day I was out ice skating when I started thinking about your question. Water strider bugs skitter across ponds almost as if they were skating on ice.
Read More ...Dear Dr. Universe: How do spiders make silk? Also, sometimes spiders hang down from the ceiling, when they climb back up, where does the silk go? –Johnny, 8, Pullman, WA
rcwebberDear Johnny,
Spiders can do some amazing things with their sticky, stretchy, and super-strong silk. Us cats are pretty curious about these little silk-spinning machines, too.
Read More ...What is the smallest insect on Earth? -Laurenz, 8, Molino, Philippines
rcwebberDear Laurenz,
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.
Read More ...Dear Dr. Universe, Do bugs have hearts and brains? -Nick
rcwebber
Bugs have organs similar to your heart and brain—but they're super different. That's because insects are arthropods. Read More ...