Which of us hasn’t spent at least one night of our lives at a party sucking helium from a balloon in the hope of talking like Mickey Mouse? We marvelled how those balloons, containing a gas lighter than air, rose to the ceiling. What we didn’t realise was that what works for a balloon also works for people.
Read moreBREAKING NEWS: Climbers to scale Mount Everest in a weekend by inhaling helium
