Marasmius rotula, the pinwheel mushroom, is a fungus in the family Marasmiaceae. Widespread in the Northern Hemisphere, it was first described scientifically in 1772 by Giovanni Antonio Scopoli. The mushrooms are characterized by thin whitish caps up to 2.0 cm (0.8 in) wide that are sunken in the center and pleated with scalloped margins. The wiry black hollow stalks measure up to 8.0 cm (3.1 in) long by 1.5 mm (0.06 in) thick. On the underside of the caps are widely spaced white gills, attached to a collar encircling the stalk. The mushrooms grow in groups or clusters on decaying wood such as moss-covered logs and stumps. Spore release is dependent upon sufficient moisture. Dried mushrooms may revive after rehydrating and release spores for up to three weeks, much longer than most gilled mushrooms. Although the mushrooms are not generally considered edible, they produce a unique peroxidase enzyme that is attracting research interest for use in bioengineering applications. (Full article...)
... that depictions of Tobias and the Angel(example pictured), unusually for a religious subject, typically show Tobias's dog?
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... that Macklemore's song "Hind's Hall" refers to Hind Rajab, a six-year-old girl who was killed in the Gaza Strip in January 2024?
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... that the ancient Greek game polis is one of the world's oldest strategy games?
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Ronald Reagan (1911–2004) was an American politician and actor who served as the 40th president of the United States from 1981 to 1989. Reagan graduated from Eureka College in 1932 and began to work as a sports broadcaster in Iowa. In 1937, he moved to California, and became a well-known film actor there. From 1947 to 1952, and from 1959 to 1960, Reagan served as the president of the Screen Actors Guild. He was defeated in his run for the Republican presidential nomination in the 1968 election as well as the 1976 election, but won both the nomination and election in the 1980 election. As president, Reagan implemented new political initiatives as well as economic policies, advocating a laissez-faire philosophy, but the extent to which these ideas were implemented is debatable. The policies, dubbed "Reaganomics", included substantial tax cuts implemented in 1981. (Full article...)
1914 – Around 2,000 members of European society attended a ball at Kenwood House, England, in one of the last major social events before the outbreak of the First World War.
An oblique shock is a shock wave that, unlike a normal shock, is inclined with respect to the direction of incoming air. It occurs when a supersonic flow encounters a corner that effectively turns the flow into itself and compresses. This photograph shows an oblique shock at the nose of a Northrop T-38 Talon aircraft, made visible through Schlieren photography.
Photograph credit: NASA & US Air Force (J.T. Heineck, Ed Schairer, Maj. Jonathan Orso, Maj. Jeremy Vanderhal)
Zhou Fang was a Chinese painter during the Tang dynasty, living in the capital of Chang'an (modern Xi'an) during the 8th century. He came from a noble background and this was reflected in his works. He personally painted for the emperor and the themes of his artwork covered religious subjects and everyday life. This ink-and-color-on-silk painting, titled Court Ladies Playing Double-sixes, measures 30.5 cm × 69.1 cm (12.0 in × 27.2 in) and depicts members of the emperor's household playing the board game liubo. It now hangs in the Freer Gallery of Art in Washington, D.C.
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