How Does Saliva Work?

Following World War II, Austrialia became embroiled in another war -- with a population of emu. Learn how the Emu War unfolded in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/historical-events/ridiculous-history-emu-war.htmSee omnystudio.co ...  Show more

Neurologists and philosophers alike may argue that altruism doesn't exist because no act is ever completely unselfish. Learn why -- and why humans may have evolved this way -- in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/life/evolutio ...  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...

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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