From today's featured article

The Alpine ibex (Capra ibex), also known as the steinbock, is a species of goat that lives in the Alps of Europe. Its closest living relative is the Iberian ibex. They have brownish-grey coats and sharp hooves adapted to steep, rough terrain. Found at elevations as high as 3,300 metres (10,800 ft), they are active throughout the year, primarily feeding on grass in open alpine meadows. Adult males, which are larger than the females, segregate from them for most of the year, coming together only during the breeding season, when they fight for access to the females using their long horns. The Alpine ibex has been successfully reintroduced to parts of its historical range, but all individuals living today descend from a population bottleneck of fewer than 100 individuals from Gran Paradiso National Park in Italy. The species has few predators and is not threatened, but it has very low genetic diversity. (Full article...)

Did you know ...

Tobie Goedewaagen

• ... that Tobie Goedewaagen (pictured), a minister under the Nazi occupation government, fled the Netherlands with his belongings in a bedspread?
• ... that sixteen-year-old Lisa Andreas, who represented Cyprus in the Eurovision Song Contest 2004, was that year's youngest contest entrant?
• ... that Chris Patrick is one of seven Stanley Cup champions in his family?
• ... that the Coon Rapids Dam on the Mississippi River is the northern terminus of the river's navigable portion?
• ... that musician Henry Donch witnessed the assassination of Abraham Lincoln and served on the grand jury that indicted the assassin of President Garfield?
• ... that the Pokémon species Lucario is used to promote fitness programs in Japan?
• ... that Peter Talbot, the Catholic archbishop of Dublin, was imprisoned in 1678 due to an anti-Catholic conspiracy?
• ... that the owners of the Narragansett Pier Railroad included a family of industrialists, a dentist, a systems analyst, a lumberyard, and the founder of Textron?
• ... that valence populism cannot be positioned on the left–right political spectrum?
• ... that 17-year-old women's basketball player Zhang Ziyu is at least 220 centimetres (7 ft 3 in) tall?

Nguyễn Phú Trọng

• General secretary and former president of Vietnam Nguyễn Phú Trọng (pictured) dies at the age of 80.
• A faulty software updatebyCrowdStrike, an American cybersecurity company, causes global computer outages.
• Inthe Rwandan general election, Paul Kagame is re-elected as the president, and the Rwandan Patriotic Front coalition win a majority in the lower house.
• KP Sharma Oli is appointed the prime minister of Nepal after the incumbent Pushpa Kamal Dahal loses a no confidence motion.

On this day

Buzz Aldrin's bootprint on the Moon

• 1651 – Wars of the Three Kingdoms: After crossing the Firth of Forth, English Commonwealth forces defeated a Scottish army at the Battle of Inverkeithing, opening the rest of the country to occupation.
• 1867 – The United States Congress established the Indian Peace Commission to seek peace treaties with a number of Native American tribes.
• 1917 – Serbian prime minister Nikola Pašić and Yugoslav Committee president Ante Trumbić signed the Corfu Declaration, agreeing to seek the establishment of the Kingdom of Serbs, Croats, and Slovenes.
• 1969 – The Apollo 11 lunar module landed on the Sea of Tranquillity, where Neil Armstrong and Buzz Aldrin became the first men to walk on the Moon six and a half hours later (bootprint pictured).

Theodore von Kármán (1881–1963) was a Hungarian-American mathematician, aerospace engineer and physicist who worked in aeronautics and astronautics. He was responsible for crucial advances in aerodynamics characterizing supersonic airflow. The human-defined threshold of outer space is named the Kármán line in recognition of his work. This 1959 photograph shows von Kármán (left) joined by United States Air Force and NASA officials while inspecting two missile models used in the high-velocity, high-altitude wind tunnelsatArnold Air Force Base. The missiles shown are the AGARD-B and the Atlas Series-B. Photograph credit: United States Air Force; restored by Chris Woodrich Recently featured: Horatius Cocles Salisbury Cathedral Bispira volutacornis Archive More featured pictures

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