Murray Gell-Mann’s ‘totalitarian principle’ is the modern version of Plato’s plenitude

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The ancient principle of plenitude is reborn in the modern belief that whatever can exist must exist.

A new FDA-approved drug takes aim at a deadly form of tuberculosis

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The antibiotic could help tackle extensively drug-resistant tuberculosis, which kills tens of thousands each year.

Alzheimer’s targets brain cells that help people stay awake

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Nerve cells in the brain that are tied to wakefulness are destroyed in people with Alzheimer’s, a finding that may refocus dementia research.

Column: Rhyme, reason, and rhetoric

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A virtual camera sees around corners

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