Mist and sea spray create unique conditions for urea to form from simple gases by Doris Lujanovic, ETH Zurich edited by Stephanie Baum, reviewed by Andrew Zinin Editors' notes ...

As this simple molecule contains nitrogen as well as carbon and probably existed on the uninhabited early Earth, many researchers view urea as a possible precursor for complex biomolecules.

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Drew Robb,Simple cycle gas turbines provide efficiency levels of around 35% to 40%. Combined cycle units boost efficiency to 60% and beyond. But another option is emerging that combines the ...