In 1800, nearly 25 years after his discovering of methane gas, Alessandro Volta, the Italian physicist, had developed what would become known as the voltaic pile, the first electric battery.

Some museums regard themselves as keepers rather than owners of art, responsible for conserving it in the present and letting it go where circumstances are auspicious to do it in the future.

Regular maintenance such as inflating tires, replacing air filters, and tuning the engine can not only extend the life of a vehicle, but also can boost fuel efficiency.

Ranging from 1,500 to 2,300 kilograms, the body mass of the white rhinoceros is typically greater than the African hippopotamus.

High temperatures, beaches that are expansive, and active volcanoes attract close to seven million tourists to the Hawaiian Islands each year.

Foods high in tryptophan, an amino acid that is a precursor to serotonin, can help people to fall asleep by reducing anxiety, relaxing the brain, and in regulating the sleep cycle.

If a person wants to ascend up the corporate ladder, they have to know the rules of the game.

Discouraged by new data that show increases in toxic emissions from domestic factories, searches for alternative investment opportunities are being conducted by shareholders of the nation's leading manufacturing companies.

The biathlon is one of the world's most demanding sports, it combines the endurance of cross country skiing with the precision of expert marksmanship.

Since 1929, when the global telegraph business peaked, the number of telegrams delivered annually have decreased from 200 million to only 21,000 last year.

Though the United States Navy maintains one of the largest fleets in the world, with craft stationed across the globe, they rarely deploy more than half of all available ships at any given time.

Recent research has indicated that sustainable weight loss is generally a result not of self-deprivation or adopting an extreme diet, but a healthy lifestyle that integrates a balanced diet, regular exercise, and a long-term approach.

The division of the day into twenty-four hours, rather than into some other number of periods, are essentially random, and most people can scarcely imagine dividing the day in any other way.

According to a recent study, hand sanitizers require a 60 percent minimum alcohol concentration for the killing of most harmful bacteria and viruses.

Martin Luther King Jr. won the Nobel Peace Prize, the Presidential Medal of Freedom, and was the most famous leader of the American civil rights movement.