Do octopuses have brains?
Octopuses are some of the most incredible animals on Earth. They have three hearts and their blood is blue! Plus, they can taste and smell things with the suction cups on their powerful arms. But do o...
21 Kesä 20246min
Why do people move their arms when they walk?
Let’s say you’re watching a bunch of people run a marathon. The runners are pumping their legs, sure. But they’re also swinging their arms. Why is that? And why do we swing them when walking too? We ...
20 Kesä 20244min
What kind of blood do insects have?
If you’ve ever smacked a mosquito on your arm, you might have seen a little smear of red blood on your skin afterward. But just whose blood was it? Do we have the same blood as insects? We asked biol...
19 Kesä 20245min
Why do leaves change color only in the fall?
In fall we like to change up our wardrobe from shorts and T-shirts to pants and sweaters. And guess what, trees do that too! Except they change the color of their leaves. Why is that? We asked Marlyse...
18 Kesä 20246min
Do dogs remember when they were puppies?
Dogs have an amazing sense of smell, incredible hearing, and the most adorable tail wags. But do they remember anything from when they were puppies? We asked canine cognition researcher Alexandra Horr...
17 Kesä 20245min
Why do we go bald?
Humans are mammals, which means that we have hair on our bodies and heads. Sometimes, as people get older, they lose some of that head hair. How does it happen? Do hair goblins come at night and sneak...
14 Kesä 20247min
How are alligators and crocodiles different?
People think alligators and crocodiles are really scary - and lots of people don’t understand the difference between them. But wildlife biologist Venetia Briggs-Gonzalez says they are very cool and he...
13 Kesä 20245min
Do microbes sleep?
Our world is FULL of microorganisms, or microbes for short! They’re tiny microscopic living things like bacteria– and they do so much for us! They help us digest our food. They help make some medicine...
12 Kesä 20245min
