Mercury is the only metal that's a liquid at room temperature.

In this video, I'll be talking about the very interesting element Mercury. I try to cover as much as I can, including its ...

An curved arrow pointing right. You definitely shouldn't mess around with mercury, but if you want a safe, similar, tactile experience, a metal called Gallium is widely available online.

Mercury, the solar system's tiniest planet and the closest to the sun, has a layer of diamond 10 miles thick, NASA revealed.