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Caffeine, nicotine, morphine, and quinine have almost nothing in common in how they make you feel, but they all belong to the same broad chemical fam

Beer, wine, and bread have almost nothing in common on the plate, but at the molecular level, they all begin with the exact same reaction: single-cel

Turning on a tap and getting clean, safe drinking water is easy to take for granted, but the water arriving at a treatment plant is usually far from

A catalyst speeds up a reaction without being consumed by it, but that definition leaves out a distinction t

With only a handful of exceptions, like gold and platinum, metals don't occur naturally as pure elements. They're found locked inside ores, rocky

Crude oil is a thick, dark, largely useless liquid straight out of the ground, a complicated mixture of thousands of different hydrocarbons (comp