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If you look at a copy of the periodic table, you might notice that basically every element after lead is labelled as radioactive. And the vast...

Mercury, a.k.a. quicksilver, is famous for being a liquid at room temperature...and also below room temperature. But you can't use a high school...

Mercury, a.k.a. quicksilver, is famous for being a liquid at room temperature...and also below room temperature. But you can't use a high school...

Mercury, a.k.a. quicksilver, is famous for being a liquid at room temperature...and also below room temperature. But you can't use a high school...

Get 50% off your first order of CookUnity meals — go to https://cookunity.com/tryguys50 and use my code TRYGUYS50 at checkout to try them out for...

Get 50% off your first order of CookUnity meals — go to https://cookunity.com/tryguys50 and use my code TRYGUYS50 at checkout to try them out for...

Get 50% off your first order of CookUnity meals — go to https://cookunity.com/tryguys50 and use my code TRYGUYS50 at checkout to try them out for...

Start speaking a new language in 3 weeks with Babbel🎉 Get up to 60% OFF your subscription➡️ Here:...

Start speaking a new language in 3 weeks with Babbel🎉 Get up to 60% OFF your subscription➡️ Here:...

Comedian Lou Wall explains how Google's CAPTCHA tests work. #WTFAQ Subscribe now: http://ab.co/subscribe...