Helium is much lighter than air, so sound waves move much faster through the gas. This amplifies the higher frequencies in your voice. The gas sulfur hexafluoride works in the opposite way.

Helium Mobile launched the "nation's first free phone plan" that gets you 5G data, voice, and texts for $0 - here's how to ...

A YOUNG mum tragically died after inhaling helium at her daughter’s first birthday party. Faith Waterman Batistich had been ...

Faith Waterman, 20, died after inhaling the gas from the canister - but experts say the gas can be dangerous even taken from ...

Helium is much lighter than air, so sound waves move much faster through the gas. This amplifies the higher frequencies in your voice. The gas sulfur hexafluoride works in the opposite way.

You've likely seen videos of people inhaling helium from a balloon for a high-pitched voice. However, what seems like ...

Helium balloons are a favourite at birthday parties, baby showers, and other special events. However, if you inhale the gas, ...