Yes! Your word expedition starts here.

sine qua non

something absolutely indispensable or essential, a prerequisite

Sightings:

A handy chart of Latinisms

Cryptos unite — an indispensable conference

What tyrants feed on

Russians and vodka

Losing an essential industry

Crunch and whine — music, of course

Casanova's secret: phosphorus and iodine

Can readers and rare books co-exist?

Addressing the quality of Internet information

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