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History of spaceflight

Spaceflight began in the 20th century following theoretical and practical breakthroughs by Konstantin Tsiolkovsky, Robert H. Goddard, and Hermann Oberth. First successful large-scale rocket programs were initiated in the 1920s Germany by Fritz von Opel and Max Valier, and eventually in Nazi Germany by Wernher von Braun.[2] The Soviet Union took the lead in the post-war Space Race, launching the first satellite,[3] the first man[4] and the first woman[5] into orbit. The Un...  more
The southern cassowary

The southern cassowary is often called the world's most dangerous bird. While shy and secretive in the forests of its native New Guinea and Northern Australia, it can be aggressive in captivity. In 2019, kicks from a captive cassowary mortally wounded a Florida man.
The history of netball can be traced to the early development of basketball. A year after basketball was invented in 1895, the sport was modified for women to accommodate social conventions regarding their participation in sport, giving rise to women's basketball. Variations of women's basketball arose across the United States and in England. At the Bergman Österberg physical training college in Dartford, England, the rules of women's basketball were modified over several years to form an entire...  more