You've probably been to parties decorated by floating helium balloons, but could they soon be a thing of the past? Some people have been posing the question, as there is a shortage of helium. While ...

The price of helium has surged 500 per cent in the past 15 years as researchers struggle to find more of it (alexsfoto/istock) The world's helium supply is on course to run out within a decade unless ...