Why Helium Matters More Than You Think | BBC Earth Science

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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

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