What produces eye gunk when we sleep?

We’re back! We’ve officially moved into our new headquarters! Come unpack with us and get a tour while we fill you in on some big news. Plus, new episodes of Brains On coming later this month and new Smash Boom and Forever Ago after that. If you want to support the show or drop u ...  Show more

We're moving the Brains On Universe Headquarters, and that means we have to stop putting out new episodes until we get settled. We know: not cool. But, our new home is going to be bigger and better and the absolute BEST. We can't wait until it's ready for you to visit.In the mean ...  Show more

What shape are our eyes? What are they made of? How do they work? What’s the point of having two eyes if we only see one image? Why do we blink? What’s the point of tears and why are they salty? We answer your questions about eyes in the first of two episodes with Dr. Sujata S ...

Why do people need to sleep? How do we actually go to sleep? How does sleeping get rid of toxins in the brain? And how come when it's nighttime I don't want to go to sleep but when it's morning I don't want to wake up?! Those questions and more, all about sleep. We're joined b ...

Why do people need to sleep? How do we actually go to sleep? How does sleeping get rid of toxins in the brain? And how come when it's nighttime I don't want to go to sleep but when it's morning I don't want to wake up? Those questions and more, all about sleep. We're highlight ...

Lécher son coude, éternuer les yeux ouverts...On a tous un pote qui s'est lancé un défi physiologiquement impossible, lors d'une soirée un peu trop arrosée. Mais qu'en est-il vraiment de l'éternuement ? Se fait-il forcément les yeux fermés ? Hébergé par Audion. Visitez https://ww ...  Show more