The invention of the breakfast cereal

John Harvey Kellogg (1852–1943) was an American physician who worked to develop a healthy diet. Kellogg and his brother Will Keith Kellogg invented several food items from grains. These eatables were rolled and made into sheets of dough, which were cooked. One day they accidentally left the cereals exposed for a longer period of time, and when these were passed through the rollers, they emerged as flakes. This marked the invention of cereal flakes, which also came to be known as wheat flakes and corn flakes.

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How much skin do humans shed?

Our skin is made of many layers of cells. The outer layer is flaky and the inner layers have structure giving and nourishing elements. The outer skin gets dry or damaged with time and so it gets shed. An average person sheds about 30,000 cells every minute and about 18 kilograms of skin in his or her lifetime. Most household dust is made of dead skin.

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