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.

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Narcissist eyebrows, insect researchers with a fear of spiders and an alligator inhaling helium were among the topics of scientific studies honoured with awards in this year's Ig Nobel Prizes on ...

An inquest into the 20-year-old’s death has now found Ms Batistich was “unaware of the inherent dangers of inhaling helium”, and called for warning labels on canisters to be made clearer.

It’s something most of us have tried before — inhaling helium out of a balloon to make your voice sound like a high-pitched chipmunk. But for one mum celebrating her daughter’s first ...

A 12-year-old member of a Japanese pop group lapsed into a coma after inhaling helium for a stunt on a television show, a broadcaster said Thursday. The girl is part of 3B Junior, a 25-strong ...

According to The Franklin Institute, the reason our voices sound different after inhaling helium is because it’s a less dense gas. Thus, it enables our vocal cords to move faster and changes the ...

Dr Hutchinson continued: "Helium is lighter than air and chemically inert so it can be combined with oxygen to produce a mixture that can aid breathing. This mixture is called heliox and is used to ...