The word four has four letters. In the English language there is no other number whose number of letters is equal to its value.
One thousand contains the letter A, but none of the words from one to nine hundred ninety-nine has an A.
Some words with vertical symmetry are MOM, WOW, OTTO, MAAM, MA'AM, TOOT, AHA, AA, AHA, AIA, AMA, AVA, AWA, HAH, HOH, HUH, MAM, MIM, MM, MUM, OHO, OO, OXO, TAT, TIT, TOT, TUT, UTU, VAV, WAW.
A nanosecond (ns or nsec) is one billionth (10-9) of a second and is a common measurement of read or write access time to random access memory
Elephants are the only animals that can't jump.
Starfishes haven't got brains.
The most destructive disease is malaria. More than 1.5 million people die from malaria every year
A mile on the ocean and a mile on land are not the same distance. On the ocean, a nautical mile measures 6,080 feet. A land or statute mile is 5,280 feet.
There are three sets of letters on the standard typewriter and computer keyboards which are in alphabetical order, reading left to right. They are f-g-h, j-k-l, and o-p.
Ancients Greeks believed earthquakes were caused by giants fighting underneath the ground. The Ancient Japanese thought there was a giant spider living under the earth, and each time it moved, it caused the earth to quake
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