When you think of helium, you probably think of blowing up a bunch of balloons. But that's just the tip of the iceberg for ...

Cracker question because helium balloons ... spotted a few balloons in the amazing amount of litter I see surfing here in Sydney, but they all had ribbons attached. So rule number one, don't ...

Helium-filled balloons have been blamed for causing hundreds of train delays for passengers across the UK each year. Network Rail wants to highlight what it says is a growing problem. The rail ...