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An enzyme in the bacterium that causes potato scab could help create new, environmentally-benign biocatalysts with the potential to cut use of the highly corrosive chemical nitric...
Not all chemical reactions involve a gain or loss of electrons. Substances that release hydrogen ions react with those which accept them. This is the basis of a neutralization reaction,...
Many of the earliest four-legged creatures that ventured onto land were heavily armored beasts, sporting plates of bone beneath their skin. This "dermal bone" might have protected...