The U.S. Postal Service has announced a postage rate increase for select mail classes and services for 2015. The new postage rates will start on Sunday, April 26, 2015. First Class Letters & Postcards. The cost to send a one ounce First Class Letter will NOT BE INCREASING and will remain $0.49. Additional ounces will cost $0.22, a one cent increase from 2014.
Aristotle was a Greek philosopher who lived between 384-322 B.C. He was one of the greatest thinkers of the world and his written works encompassed all major areas of thought. Aristotle mistakenly believed that the Earth was at the center of the universe and made up of only four elements: earth, water, air, and fire.
Democritus was an ancient Greek philosopher who was very interested in matter. He wanted to know what things are actually made of. He was the person who developed the idea of atoms. The word atom comes from the Greek word atomos which means uncuttable.. Democritus believed that if you tried to cut matter into the smallest pieces possible, you would eventually get a very small particle that is indestructible and could not be cut.