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 ...

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 ...

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 ...

Most kids would agree: Sucking a lungful of helium out of a balloon makes your voice sound hilarious. But contrary to popular belief, the switch from air to helium gas doesn't actually increase the ...