Do penguins sit down?
Did you know there are 18 species of penguin in the world? Each species has its own differences and quirks, but one thing all penguins have in common is that it can be tricky to tell if they’re standi...
20 Marras 20245min
What causes solar flares?
Listener Graham wanted to know what solar flares are and what causes them, so we reached out to NASA Heliophysicist Nicola Fox to help us figure out why these bright flashes on the sun’s surface occur...
19 Marras 20244min
How do trumpets make that bbbbrrrrrrr sound?
Did you know that trumpets are the oldest brass instruments? Orchestras rely on them to play the highest notes in the brass section! But how do they make that bbbbrrrrrrr sound? We asked trumpet playe...
18 Marras 20247min
Is rainwater safe to drink?
On Earth, water gets evaporated by the sun from the planet’s surface, and then drops back down from the clouds when it rains. That’s a great source of water, but..is that water safe to drink? We aske...
15 Marras 20246min
What's the smallest unit of measurement?
Let’s say you want to measure something really, really, really tiny. How do you do that? With inches? Centimeters? Millimeters? What if it’s so tiny you can’t even see it? Particle physicist Jessica E...
14 Marras 20245min
How do stars form black holes?
Black holes are areas in outer space that have gravity so strong that not even light can escape its pull! Some black holes are formed from stars…so how does a star go from a burning ball of gas to a l...
13 Marras 20247min
Why do daddy long legs have super long legs?
Whether you’re a fan or not, one thing is for sure - most of us have had an encounter with a daddy long legs. They’ve got super duper long legs, and a TON of nicknames, including cellar spider, carpen...
12 Marras 20244min
How do fireworks explode?
Fireworks are loud and exciting! You light a fuse and the firework rockets up into the air, and then BLAM! It explodes into colorful, sparkling bouquets of light. How the heck does a firework do that?...
11 Marras 20247min
