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• n  a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)

• Liquid hydrogen is used to absorb the heat from cooling helium.
• Why not use helium, which weighs only one-seventh as much as air, to inflate airplane tires and thereby save precious cargo weight? This idea might have occurred to any ten-year .
• The production of helium, a light, rare gas, has already become a prime requisite for aviation because it is non-inflammable and saves dirigibles from fire hazard.

• He
• atomic number 2

News & Articles

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• MR Solutions new pre clinical MRI scanners overcome helium shortage
  The global shortage of helium has been risking research projects across the world with experts predicting that the second most common element in the universe may be depleted by the middle of the century1.
  June 20, 2013 - Business Wire via Yahoo! Finance
• Senators Find Money in ... Helium?
  What can you do with helium other than inflate balloons? If you're the Senate, apparently you can fund rural schools and the cleanup of old oil wells.
  June 19, 2013 - CQ Politics
• Lazer Sport Helium helmet review
  First off, for a top-of-the-range helmet and in spite of its name, the Lazer Sport Helium isn’t helium-light, our medium size model weighing 299g, considerably more than the claimed 260g. Secondly, when you’re wearing it you really don’t notice those 39g – or the 100g or so extra it carries compared with today’s lightest lids. What you do notice is its airy feel, thanks to its 19 large vents ...
  June 18, 2013 - BikeRadar

Quotes

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• Simon Cowell in Fox 28
  Paula Abdul said flat-out she didn't enjoy Kristy Lee Cook's country version of "Eight Days A Week," and Cowell called it "like Dolly Parton on helium."
• Geoffrey Marcy in Sydney Morning Herald
  From the density of two grams per cubic centimetre - twice that of water - it must be 50 per cent rock and about 50 per cent water, with perhaps small amounts of hydrogen and helium,Marcy said.
• Matt Ridley in Washington Post
  It is an unusual event and the big thing now is trying to get that child down from this balloon. It's all going to depend on of course the environment. It's windy outside so it's going to keep it adrift for quite a while. The helium, depending on... Greg Feith http://www.google.com/url?q=http://en.wikipedia.org/wiki/Greg_Feith&source=dictionary&usg=AFQjCNFSkRLZxMoeGQJm4TmIVvutKsl0Lg Lower Hudson Journal news http://www.google.com/url?q=http://www.lohud.com/article/20091015/NEWS/910150473/-1/newsfront/Colo.%2520boy%2B%25206%2B%2520floats%2520away%2520in%2520hot-air%2520balloon&source=dictionary&usg=AFQjCNFBdHuxfv702Loc7yuxBq89gfEqmg Oct 15, 2009 46475 63012 helix It was he . . . who taught Francis Crick about DNA, his photograph that inspired James Watson," Ridley said. "But later, it was he who finally proved the double helix correct."