What is the geographic center of the United States?
The center of the 48 contiguous states is in Smith County, Kansas, near the town of Lebanon.
The center of the 50 states is in Butte County, South Dakota, west of the town of Castle Rock.
Astronomers once believed that a planet called Vulcan existed between the planet Mercury and the sun. Its existence, first proposed by French astronomer Urbain Jean Joseph Leverrier in 1845, was hypothesized to explain a discrepancy in Mercury’s orbit. Vulcan was even reported to have been observed once, but the observation was never confirmed. Einstein’s general…
According to 1980 figures, August registered 9.2 percent of the year’s births. The second most popular month was October, with 9 percent of the year’s births.
A gamete is a mature, functional sex cell (i.e., an egg or sperm) that can unite with a gamete of the opposite sex. A zygote is what results when the two gametes fuse.
According to the Report of the Postmaster General, 106,311,062,000 pieces of mail traveled through the system in 1980. On a given day, therefore, approximately 291,263,000 items passed through the country’s post offices. What’s more, this prodigious amount of mail traveled through many fewer post offices than at the turn of the century. In 1900, there…
The Greek word heureka, meaning “I have found it,” was made famous by Archimedes, a Sicilian philosopher (c. 287-212 B.C.). Archimedes was given the task of finding out whether a crown presented to the ruler of Syracuse was really pure gold or alloyed with an inferior metal. The philosopher was baffled until he stepped into…
The moon’s diameter is 2,160 miles. The earth’s diameter at the equator is 7,926.68 miles.