Search results for “Faire face à la mort”

How do face masks and respirators work?

How do face masks and respirators prevent you from breathing in harmful particles? As respiratory protection against coronavirus becomes increasingly important, Risk Bites dives into the science of face masks and respirators, and explores what makes for good protection, whether it’s a professional

Where does the face mask come from?

In Asia, it has long been part of everyday life. But where does the face mask come from, why was it invented in the first place, and how does it actually work? Author: 3SAT/Nano/Rocket film/Andreas Gust/Konstantin Fuchs Translation and dubbing: alugha Click here to see more videos: https://alugh

Do Dogs Understand Fairness?

In this video excerpt from NOVA scienceNOW, learn how scientists are studying basic moral behavior in animals. Correspondent David Pogue, New York Times technology columnist, visits Friederike Range's Clever Dog Lab to find out whether dogs have a sense of fairness. If two dogs are asked to do a tri

How Safe is Graphene?

How safe is graphene when it’s used in face masks and other consumer and professional products? In this episode of Risk Bites, nanotechnology expert Professor Andrew Maynard looks at what’s known about the potential health risks associated with the engineered nanomaterial graphene, and how consume

What Causes Nosebleeds?

If you’ve never had a nosebleed before, the first one can be terrifying but why his blood actually pouring out of your face? Follow Us! https://twitter.com/LifeNoggin https://facebook.com/LifeNoggin Click here to see more videos: https://alugha.com/LifeNoggin What If All Cats Died Right Now?: ht