In 4000 B.C., Egyptians discovered yeast's leavening abilities and turned out more than 40 types of bread.

Key West, Florida, is the top-ranking American city for warmth, with an annual average temperature of 77.7 degrees F; International Falls, Minnesota, is the coldest, with an annual average of 36.4 degrees F.

American colonists discovered that superior candles could be made from the fruit of a squat bush growing in the sand dunes along the New England seashore. The small, grayish bayberry was picked, crushed, and boiled. The ...Read More

Scientists can condense matter to greater densities and temperature than those at the center of the sun. Fusion-energy research at Lawrence Livermore Laboratory in California uses 20 laser beams to concentrate on targets ...Read More

The Medal of Honor, often referred to as the Congressional Medal of Honor because the President presents the award "in the name of Congress", is the highest military decoration awarded by the United States. It is bestowed ...Read More

Public sanitation was at an all-time low during the Middle Ages. Garbage was piled up so high outside the city of Paris during the 1400's that it interfered with the city's defenses.