Do insects have ears?
There are all different kinds of ears in the world: big floppy elephant ears, fuzzy rabbit ears – even teeny squirrel ears smaller than a dime! But what about insects? Do they have ears? We asked inse...
22 Tammi 20246min
Why does bamboo make a chattering sound?
Bamboo is a type of grass that grows into big clusters of long, straight stalks. Those stalks are super strong, and are useful for making lots of things, from instruments to gardening tools, to buildi...
19 Tammi 20247min
How do trees make rings?
Tree rings are kind of like a tree’s personal diary – they record everything that happens to them - from the weather, to fires and insects. One of our listeners wanted to know how tree rings form, and...
18 Tammi 20246min
Why does steam travel up instead of down?
It seems like water always falls down. Rain and snow fall down from the sky. Watering cans pour water down on plants. Waterfalls – well, the water falls down! But when water is steam, it rises up. Why...
17 Tammi 20246min
How do fish get into lakes?
Here at Moment of Um, we love fishing for questions, and the one we’re answering now is a great catch. It comes from Marc, in Miami Florida: When lakes form, how do fish get in them? Associate Profess...
16 Tammi 20243min
Do butterflies sleep?
Sleep helps our brains and bodies rest. Lots of animals need sleep to survive, like birds, mice and even humpback whales! But what about insects, like butterflies? Do they doze off, too? We asked ins...
15 Tammi 20245min
Why do I get so sleepy riding in a car?
If you’ve ever been on a long car trip, you may have noticed that you start to feel sleepy as the car moves. Is it because the seats are so comfy? Is the radio hypnotizing you? Are the floor mats spri...
12 Tammi 20245min
Can one black hole eat another black hole?
Black holes are one of the strangest things in space: gravity is so strong that nothing gets out, not even light, so learning about them is a big challenge for scientists. If black holes “eat” everyth...
11 Tammi 20245min
