Why do we jolt as we fall asleep?
Have you ever started to fall asleep and then suddenly – whoa! – you jolt awake? What’s up with that? We asked sleep specialist Chris Winter to help u...
Moment of Um
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Moment of Um is your daily answer to those questions that pop up out of nowhere and make you go… ummmmmmm. Brought to you by your friends at Brains On at APM Studios.
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...
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 tha...
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? D...
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 co...
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? W...
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 ...
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 Vene...
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 hel...
Why do beehives look like hexagons?
If you’ve ever taken a close look at a beehive you can see that it is covered in tiny hexagons! But why is that? We asked bee researcher Jessica Kevil...