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Where the Word “Salary” Comes From

The word salary comes from the Latin salarium and is linked to salt, which was extremely valuable in ancient Rome. Soldiers were given pay or allowances connected to salt, an essential resource for preserving food, and over time the word became associated with regular wages.

Mpemba Effect

The Mpemba effect is the observation that hot water can freeze faster than cold water. This can occur due to the following:

Keep in mind this is not a strict law, and results can vary depending on different conditions.

* This topic has been previously featured. Spaced repetition improves your learning by helping you retain information for longer.

The Engine Block

Is the main structure of an engine, housing the cylinders where fuel combustion occurs. It forms the foundation that all major engine components are built around and is typically made from cast iron or aluminium for strength and heat resistance.

Derby

In sports, a derby refers to a match between local rivals, usually teams from the same city or region. The term comes from Edward Smith-Stanley, the 12th Earl of Derby, who in 1780 helped popularise a famous horse race in England; over time, his title became associated with major sporting contests, especially intense local rivalries.

A Group of Flamingos

A group of flamingos is called a flamboyance.

The ANZUS Agreement of 1951

The ANZUS Agreement of 1951 is a security treaty between Australia, New Zealand, and the United States. It was signed on September 1, 1951, in response to growing Cold War tensions and the outbreak of the Korean War.

The treaty commits the three countries to mutual defence — if one is attacked in the Pacific region, the others will consult and act to meet the threat.

* This topic has been previously featured. Spaced repetition improves your learning by helping you retain information for longer.

Affect vs Effect

Affect is usually a verb, meaning to influence something, while effect is usually a noun, meaning the result of that influence. A simple rule of thumb: if you can replace the word with “influence,” use affect; if you can replace it with “result,” use effect.

The Rolling Stones

The Rolling Stones are a legendary British rock band formed in 1962, best known for their long-lasting influence on rock music. The band’s core lineup includes Mick Jagger (vocals), Keith Richards (guitar), Ronnie Wood (guitar), and the late Charlie Watts (drums), whose sound helped define generations of rock.

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