For all of the semiconductor industry’s legendary reputation for cleanliness, the actual processes that go into making chips use some of the nastiest stuff imaginable. Silicon oxide is comes from ...

You may have heard of lactic acid occurring in your body, so you may be curious to hear that it’s also found in certain foods. Lactic acid is a type of organic acid produced by bacteria when foods ...

Claire is Lifehacker's Senior Food Editor. She has a B.S. in chemistry, a decade of food journalism experience, and a deep love for mayonnaise and MSG. Tartaric acid occurs naturally in citrus fruits, ...