Either, but pick a state and leave it that way. Don't use the on/off switch on your personal computer any more than necessary. There's a surge of electricity every time the switch is turned on. For fragile computer chips, it's much like starting the day by jumping into an icy pool. To prolong the life of your home computer, turn it on when you ...Read more

Most gemstones contain several elements. Except the diamond -- it's all carbon.

Species of coffee trees can grow as tall as 32 feet and their leaves can range in color from purple to yellow. Green is the predominant color, however.

The kinkajou's tail is twice as long as its body. Every night, it wraps itself up in its tail and uses it as a pillow.

In a note in his diary Munch described his inspiration for the image thus: "I was walking along a path with two friends - the sun was setting - suddenly the sky turned blood red - I paused, feeling exhausted, and leaned on the fence - there was blood and tongues of fire above the blue-black fjord and the city - my friends walked on, and I stood ...Read more

William Henry Harrison (1773-1841) was the first U.S. president to die while in office. At 32 days, he also had the shortest term in office.

Mosquito repellents don't repel. They hide you. The spray or lotion blocks the mosquito's sensors; however, they will seek out unprotected areas of skin.

Nanotechnology has produced a guitar no bigger than a blood cell. The guitar, 10 micrometers long, has six strummable strings.

The age recorded on a whiskey bottle refers to the number of years it is aged prior to being bottled. Once in the bottle, whiskey does not improve.

In 1870, English critic and social theorist John Ruskin (1819-1900) was appointed Slade Professor at Oxford, the first professor of art in England.

The human foot has 26 bones, 33 joints, 107 ligaments, 19 muscles and tendons. The 52 bones in your feet make up about 25 percent of all the bones in your body.

The seeing-eye dog, or any dog trained to guide the blind, cannot tell a red light from a green one. When it lead its master across the street, it watches the traffic flow to tell when it is safe to cross.

The woman who has appeared most on the covers of "Time" magazine is the Virgin Mary – ten times.

More than 50 percent of adults surveyed said that children should not be paid money for getting good grades in school.

The city of San Juan used to be known as Puerto Rico (which means "rich port" in Spanish), while the island of Puerto Rico was originally named San Juan.

An article titled "The Game of Golf for Women," which ran in an 1894 issue of Ladies' Home Journal, contained this droll comment about the sexes playing the game: "A gallant gentleman will not cheat a woman, and a woman at all worthy of consideration will not cheat anyone at all."

The frigate bird can fly at a speed of 260 miles per hour.

In 1973, Dungeons & Dragons was invented by Dave Arneson and Scott Gygax. The innovative game created a whole new fantasy/adventure category of toys, which quickly became a $250-million market.

According to the U.S. Lawn Tennis Association, a tennis ball is supposed to bounce between 53 and 58 inches when it is dropped on concrete from a height of 100 inches. The concrete surface should be 4 inches thick.

There are some herbicides that will kill kudzu. Allowing animals to overgraze land with kudzu will also kill the vine. But kudzu is so aggressive that it comes back, so you have to be certain to totally eradicate it and monitor kudzu sites for years to prevent regrowth.