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Author Question: The property by which subtype entities possess the values of all attributes of a supertype is ... (Read 61 times) |
The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.