What are the highest and lowest temperatures ever recorded?
The highest was 136.4 degrees Fahrenheit at El Azizia, Libya, on September 13, 1922.
The lowest was –129 degrees Fahrenheit at Vostok, Antarctica, on July 21, 1983.
The three tallest buildings in the United States in the 1980s were: Sears Tower. 1,454 feet, 110 stories (Chicago) World Trade Center. 1,350 feet, 110 stories (New York) Empire State Building. 1,250 feet, 102 stories (New York)
At the Pacific Ocean’s greatest depth-36,198 feet (in the Marianas trench southwest of Guam), the pressure is 16,124 pounds per square inch, more than 1,000 times the atmospheric pressure at sea level (14.7 pounds per square inch).
Chinese astronomers made the first recorded observation of Halley’s comet in 240 B.C. In 1705, English astronomer Edmund Halley was the first to theorize that comets travel in regular orbits around the sun. Proposing that “the great comet” observed in 1682 made periodic visits about every 76 years, he predicted that it would return in…
Contrary to dormitory fears, it does not inhibit sexual desire. Instead, saltpeter, or potassium nitrate (KNO3), is a diuretic. Another form of saltpeter is Chile saltpeter, or impure sodium nitrate (NaNO3). Lime, or Norwegian saltpeter, is calcium nitrate. It is used to make explosives.
Point Barrow, a city in Alaska with a 1980 population of 2,207, mostly Eskimo. It was the site of the 1935 air crash that killed Will Rogers.
There are 10 types of clouds: cirrus, cirrocumulus, cirrostratus, altocumulus, altostratus, nimbostratus, stratocumulus, stratus, cumulus, cumulonimbus. Each of these clouds has a different shape and internal structure.