tobacco

Speakeasy Science

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Secrets of Smoke

In 1854, the essayist Henry David Thoreau published an ode to a morning fire: “Light-winged Smoke, Icarian bird… Lark without song, and messenger of dawn.” Scientists, of course, saw the hazing blue of wood smokeĀ  – or any smoke derived from burning plant material – as something less poetic. In particular, the smoke from dried…