- Scientists say they have found a large helium gas field in Tanzania. With world supplies running out, the discovery is a "game-changer", say geologists - resources in just one part of the Rift valley are enough to fill more than a million medical MRI scanners. http://www.bbc.com/news/science-environment-36651048 9 comments worldnews
- Helium discovery a 'game-changer' http://www.bbc.com/news/science-environment-36651048 5 comments science
- Helium discovery a 'game-changer' http://www.bbc.co.uk/news/science-environment-36651048 3 comments science
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