Without its lining of mucus your stomach would digest itself. | Swiss engineer George de Mestral, who got the idea after noticing burrs were sticking to his pants after his regular walks through the woods, invented Velcro. | Retail sales for soft drinks in the United States in 2001 were more than sixty billion dollars. | Remove all the space between its atoms and Earth would be the size of a baseball. | There wasn't a single pony in the Pony Express, just horses.