Minerals from Papua New Guinea hold secret for recycling of noble gases

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http://scienceblog.com/?p=479893

With every breath we take, we inhale not only oxygen, but also a mix of gases. This mixture includes carbon dioxide and nitrogen, but also a gas called argon. Neon, the gas that illuminates the signs of all-night diners, is also in the mix. Our lungs recycle atmospheric argon and neon, in and out with […]