We all know inhaling helium makes your voice sound high and squeaky, but do you know why? If you’ve ever inhaled from a helium balloon at a birthday party or watched this scene from My Best Friend’s ...

All gases (except oxygen & air) can cause asphyxiation in a confined space or if inhaled. Inert gases are typically colourless and odourless. Unconsciousness can occur suddenly, without warning if ...

Your birthday party isn’t complete without the helium-induced squeak, but what does physics say? Discover how people think it works, how it really works, and many, many ways to get hurt while ...

Helium's atomic number is 2 and its atomic weight is 4.002602. Its boiling and melting points— -452.1°F and -458.0°F, respectively—are the lowest among the elements. It is the second most abundant ...

One of the everyday uses of helium gas is for making balloons float, and it's not uncommon for people to suck the gas out of balloons to make their voices sound high-pitched. However, there's another ...