Sonoran cuisine, which originates from Mexico's Sonoran desert region south of Arizona, comes closest to New Mexican cooking in its spiciness.

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One being investigated at Bell Labs, for example, relies on a protein called bacteriorhodopsin which, as its name suggests, originates from certain species of bacteria.

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The largest source of dioxin in urban areas originates in backyard burning, either in barrels, or from small generators which were widely used until the 1960s in the Northeast and Midwest.

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Extracting platinum from this dust (e.g. for use in fuel cells for hydrogen cars), which originates in catalytic converters, might prove lucrative and would expand the limited amount of platinum available, which does not meet even present demand for it.

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