more Amazing facts

--The most destructive disease is malaria. More than 1.5 million people die from malaria every year

-A light year is 5,865,696,000,000 miles or about 9,460,800,000,000 kilometers.
A light nanosecond is the distance light can travel in a billionth of a second and is 1 foot or about 30 cm.

INTERCHANGEABILITY contains the words THREE, EIGHT, NINE, TEN, THIRTEEN, THIRTY, THIRTY-NINE, EIGHTY, EIGHTY-NINE, NINETY, and NINETY-EIGHT

One thousand contains the letter A, but none of the words from one to nine hundred ninety-nine has an A.

FOUR has four letters; no other number has this property in English such that the number of letters in the name equals the number.

Some words with horizontal symmetry (they reflect themselves across a horizontal line) are: BEDECKED, BOOHOOED, CEBID (a type of monkey), CHECKBOOK, CHOICE, CODEBOOK, COOKBOOK, DECIDED, DIOXIDE, DOBCHICK, EXCEEDED, HIDE, HOODOOED, ICEBOX, KEBOBBED, OBOE, OKEECHOBEE.

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.

R.S.V.P. comes from the French phrase, 'répondez, s'il vous plaît,' which means 'please reply.' According to western etiquette, you should reply promptly if you receive a formal invitation.

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.

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

INTESTINES has each of its letters occurring twice. Some other such words: APPEASES, ARRAIGNING, BERIBERI, BILABIAL, CAUCASUS, CHOWCHOW, CONCISIONS, COUSCOUS, ESOPHAGOGRAPHERS, FROUFROU, GENSENGS, GREEGREE, GUITGUIT, HAPPENCHANCE, HORSESHOER, HOTSHOTS, JIPIJAPA, MAHIMAHI, MESOSOME, MILLIEME, MIMETITE, RAPPAREE, REAPPEAR, SCINTILLESCENT, SHAMMASH, SHANGHAIINGS, TEAMMATE, UNSUFFICIENCES, VETITIVE

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.