How and why do mosquitoes suck our blood? Why do their bites itch ALL the time? Why do some people get bitten more than others? And do these pesky and possibly dangerous insects serve any kind of useful purpose?
How do planes stay in the air? And how did humans figure out that it wasn’t enough to just strap wings to our arms and flap them like birds?
Have you ever wondered about what’s beyond the edge of the universe? Or maybe a better question: is there even an edge of the universe? And what does it mean that the universe is expanding? Nine-year-old Thea talks with astrophysicist Katie Mack to find answers to her many questions about the universe.
Why do humans have hair and not fur? How does hair grow? Why does it turn gray? How does hair become curly or straight? Black, brown, blonde or red?
We’re back with new episodes! Carnivores are animals that only eat other animals – so how do they get the vitamins, minerals and fiber that we humans get from eating plants? We take a trip to a salad bar with some animal pals to find out.
We’ve been catching colds for millennia – but it wasn’t until fairly recently that we actually understood how and why we get sneezy, coughy, and achy. In this episode, we find out more about the common cold: Does standing outside in the cold actually make it easier to get sick? Is there a cure that […]
Aliens are awesome. Some are so huge, 50,000 beings could fit on their pinkie fingertips. Some are so tiny, several trillion of them could live on the head of a pin. There is a theory, however, that the Universe itself is a massive alien; the stars and planets are merely pores on its skin. In […]
Dinosaurs with feathers, passenger pigeons and Australopithecus – together at last!
We’ve launched a Kickstarter to raise money for Brains On! You can support Brains On! by giving to this campaign (and while you’re at it, score some cool Brains On! rewards) and sharing it with other science-loving people.