Diseases, Conditions, Syndromes

Two treated for deadly pneumonic plague in Beijing

Two people in Beijing have been diagnosed with the pneumonic plague—a rare instance of the highly-contagious disease that is fatal if left untreated.

Measurement

Measurement is the process or the result of determining the ratio of a physical quantity, such as a length, time, temperature etc., to a unit of measurement, such as the metre, second or degree Celsius. The science of measurement is called metrology.

The English word measurement originates from the Latin mēnsūra and the verb metiri through the Middle French mesure.

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