Siluria converts methane, the primary ingredient in natural gas, into liquid fuels and chemical intermediates.

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Sure, the water comes from natural aquifers 200 feet below the surface and the primary ingredient is 100% organic estate-grown winter wheat.

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Ms. Jackson late last year delayed a decision on whether to tighten the government's limits on ground-level ozone, a primary ingredient in smog.

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The spa uses VOYA products, a 100% organic, Irish skincare line based in the usage of seaweed as its primary ingredient, which is picked by hand in the Northwest coast of Ireland.

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Acetic acid is the primary ingredient in vinegar.

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And in fact those same sulfate particles are a primary ingredient in acid rain, so loading the atmosphere with them is probably not a good idea either (although geoengineering proponents have suggested doing exactly that to help cool the climate).

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Instead, they say, the primary active ingredient in Monster and other carbonated energy drinks is caffeine.

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Lee, previously a founder at health application company Epocrates, has overseen the development of a One Medical iPhone app, website and company-specific electronic medical record all for the sake of preserving the most valuable ingredient in primary care: time.

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