22 Mar '12, 3am

Balloons Depleting One of Earth’s Most Valuable Resources | Care2 Causes

Balloons Depleting One of Earth’s Most Valuable Resources | Care2 Causes

Imagine a rare and scarce natural resource , existing only in limited quantities here on Earth. Found primarily as a byproduct of petroleum production, this substance is essential for many medical tests (for example, MRIs) and for important, and expensive, scientific research. It was deemed so valuable for much of the last century that it was strategically stockpiled by the US government from 1920 to 1990. And now, scientists and doctors are starting to run into shortages . They’re cancelling and delaying research projects – some are even talking about the future need to capture more of this element from solar winds above the atmosphere, or even start mining for it on the surface of the moon. What is this precious, nonrenewable resource, and why are we running out of it? It’s helium. And, according to a number of scientists interviewed in The Guardian, if helium were being...

Full article: http://www.care2.com/causes/how-party-balloons-are-deplet...

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grist.org 21 Mar '12, 3pm

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care2.com 23 Mar '12, 6am

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How Investing in Our Fisheries Pays Off | Care2 Causes

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care2.com 20 Mar '12, 9am

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designnews.com 22 Mar '12, 11am

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care2.com 14 Mar '12, 10pm

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A (Knitted) Uterus For Every Congressman! | Care2 Causes

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care2.com 20 Mar '12, 8pm

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Women Still Shut Out From Top University Posts | Care2 Causes

Women Still Shut Out From Top University Posts ...

care2.com 24 Mar '12, 5pm

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DN Insight: What Rare Earth Shortages Mean for ...

designnews.com 22 Mar '12, 11am

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care2.com 24 Mar '12, 12pm

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