Inhaling helium and talking like Daffy Duck is a classic party trick. But not many know how helium works. Helium is much lighter than air, so sound waves move much faster through the gas. This ...

Helium is the second-most abundant element in the entire universe, and the gas has numerous everyday uses in human industry. However, most of us know helium for just two things: It makes party ...

Inhaling a helium-filled balloon, this uncle tried to amuse his baby nephew with his high-pitched voice... It didn't go as planned. Tap to view on News app. Not every uncle can be the cool uncle, ...