(Encyclopedia) Bruce, William SpeirsBruce, William Speirsspĭrz [key], 1867–1921, Scottish explorer and authority on the polar regions. He first went to the Antarctic as ship's surgeon in 1892 and…
(Encyclopedia) solvent, constituent of a solution that acts as a dissolving agent. In solutions of solids or gases in a liquid, the liquid is the solvent. In all other solutions (i.e., liquids in…
(Encyclopedia) Halas, George Stanley, Sr., 1895–1983, American football coach, b. Chicago, grad. Univ. of Illinois, 1918. He served in the navy in World War I, played baseball (1919) with the New…
Because of its blood-red color (which comes from iron-rich dust), this planet was named for Mars, the Roman god of war. Mars is the fourth planet from the Sun, situated between Earth and Jupiter.…
Let's See How It's DoneWeatherLet's See How It's DoneNow for the Real WorkGoing Into the Upper AirBring on the MachinesWhat About the Five-Day Forecast? You've gotten this far. You know the basics…
Born: 1831Birthplace: Bremen, Germany Tapered roller bearings—The bearings that existed in the late 19th century worked well at reducing friction but ran into problems when wheels had to bear heavy…
Fascinating but Deadly Scorpions, bears, and poison-dart tree frogs by David Johnson PROFILES OF DANGEROUS ANIMALS Animals Hippopotamuses, crocodiles, and hyenasElephants…
(Encyclopedia) Cook, Frederick Albert, 1865–1940, American explorer and physician, b. Sullivan co., N.Y. Cook early became interested in the arctic and accompanied the expedition of Robert E. Peary…
(Encyclopedia) zone [Gr.,=girdle], in geography, area with a certain physical and/or cultural unity that distinguishes it from other areas. The division of the earth into five climatic zones probably…
