Daily Content Archive

Word of the Day
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Article of the Day

Lahars A lahar is a destructive mudflow that travels down the slopes of a volcano when water, often from a heavy rainfall, lake breakout, or water body or glacier displaced or melted by an eruption, mixes with rocky debris and volcanic ash. Lahars can travel up to 60 mph (100 km/h) and are similar to concrete in consistency. In 1985, lahars created by the eruption of Colombia’s Nevado del Ruiz buried 22,000 people in 26 ft (8 m) of mud. What places are considered to be particularly at risk for lahars? More...

This Day in History

US Secretary of State George Marshall Announces the Marshall Plan (1947) World War II left the finances and industry of Europe crippled. In 1947, Marshall proposed a plan for the US to finance the European recovery. From 1948 to 1952, it provided almost $13 billion in grants and loans to 17 countries and was a key factor in reviving their economies and stabilizing their political structures. While most of Europe embraced the plan, it was strongly opposed by the Soviet Union and some Eastern European nations. How, according to Marshall, would this plan benefit the US? More...

Today's Birthday

John Couch Adams (1819) Before the planet Neptune was discovered, Adams—an English astronomer and mathematician—correctly predicted its existence and position based on irregularities in the motion of Uranus. However, the credit for the discovery went to Urbain Leverrier, who had come to the same conclusion later but published his findings earlier. In 1846, the planet was first observed by a German astronomer using Leverrier's calculations. A modest man, Adams also declined to publish what other findings? More...

Quotation of the Day
History fades into fable; fact becomes clouded with doubt and controversy; the inscription molders from the tablet; the statue falls from the pedestal. Columns, arches, pyramids, what are they but heaps of sand—and their epitaphs, but characters written in the dust? Washington Irving (1783-1859)

Idiom of the Day
(one's) moment in the sun — A brief period of time in which one is or has been particularly successful, popular, famous, etc., especially when set against an otherwise moderate or unremarkable life. More...

Today's Holiday
Denmark Constitution Day (2025) This public holiday commemorates the constitution signed on June 5, 1849, that made Denmark a constitutional monarchy, and the one signed on June 5, 1953, that created parliamentary reforms. A parade takes place in Copenhagen, and other festivities are held in villages throughout Denmark. More...