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Rare discovery of new fatty acids

Decades after scientists discovered hundreds of different fatty acids in vegetable oils, two that had managed to elude detection have finally revealed themselves. The discovery may be the first of its kind since the 1960s and 1970s, the researchers said, when biochemists identified troves of new fatty acids in various vegetable oils.

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This bright blue dye is found in fabric: Could it also power batteries?

Methylene blue is a common ingredient in wastewater from textile mills. But scientists think it may be possible to give this industrial pollutant a second life. In a study, they show that the dye, dissolved in water, is good at storing and releasing energy on cue. This makes the compound a promising material for redox flow batteries, which could store energy for wind farms and solar homes.

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