At some point, most people have sucked the helium out of a balloon to get that squeaky, high-pitched voice - including one of the classiest ladies out there, Dame Helen Mirren - but it's time to put ...

When I was a kid, helium balloons signaled that a party was special. Ordinary balloons filled with ordinary air were ordinary. Helium balloons could fly high, and helium itself could make anyone speak ...

Have you ever noticed that balloons blown up by mouth don't float in the air, while balloons filled with helium gas do float? To understand this question, let's look at why things float. A person ...

Hearts are heavy these days in the world of lighter-than-air helium balloons. A helium shortage is making balloon prices rise faster than a helium balloon itself after a kid lets it go. "I don't want ...

Helium balloons are a quintessential party favor, a fixture of any birthday, wedding or anniversary party. But few consumers seem to know that helium is a limited resource — and one which physics ...