December 4

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Better Than News

Beyond Plausible

In Other Words

Are You Sure

• ... that physicist John Tyndall (2 August 1820 – 4 December 1893) studied diamagnetism, and made discoveries in the realms of infrared radiation and the physical properties of air; and that Tyndall died of an accidental overdose of chloral hydrate, to which he was addicted?

Selected Anniversaries

Topic of the Day

Westerns