How Does Saliva Work?

Since the early days of space exploration, some of NASA's greatest have pulled some great pranks. Learn about our favorites, from a smuggled sandwich to a space gorilla, in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/ridiculous-history-5-n ...  Show more

When you shiver, your fingers and toes go numb, or you get goosebumps in the cold, that's actually your body trying to keep you warm. Learn how it works -- and how you habituate to chilly temperatures over time -- in this episode of BrainStuff, based on this article: https://heal ...  Show more

Find out about the bacterial life of a passionate kiss as Robert and Julie explore the human smooch. Is kissing instinctual and learned, and what does it have to with food, if anything?

Your gut – not your spare tire, but your digestive tract – is deceptively smart. Not only does it handle processing food and nutrients, but the hundreds of trillions of bacteria that live in your gut may actually be telling your brain what to do too.

We've all heard of it, but nobody really knows...

See omnystudio.com/listener for privacy inf ...

Cet épisode vous est proposé en partenariat avec Zendium. La microbiologie orale, c'est l'étude des micro-organismes et des bactéries présentes dans notre bouche. Car oui, notre bouche comme notre intestin abrite de nombreuses bactéries essentielles. Une mauvaise hygiène bucco-de ...  Show more