Why Helium Matters More Than You Think | BBC Earth Science

Helium isn’t just for balloons — it’s critical to everything from medical scanners to space technology. As supplies run low, scientists are racing to understand what comes next. Best of Earth Science: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos This is a channel from BBC Studios who help fund new BBC programmes. Service information and feedback: http://bbcworldwide.com/vod-feedback--contact-details.aspx