Nitrate in excess; a burgeoning global contamination problem
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November 18, 2017
A “Nitrate timebomb”. Last week’s media metaphor (Nov 10, 2017), was no doubt intended to
Tag: ammonia
Ancient earth. 3 The air we breath; how our atmosphere evolved
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January 10, 2016
The really ancient earth: How our atmosphere evolved Take a deep breath. Savour it. One
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Marie Carmichael Stopes (1880-1958)
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Common aeolian bedforms
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Anne Phillips (1803-1862)
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The Bagnold dune field, Gale crater
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Wind-blown sand on Mars, Venus, and Titan
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