Fun science facts

You can make fire from ice. Shape a block of ice into a lens, place it over tender, and on a sunny day, the tender will catch fire. You have more living bacteria cells inside you than human cells. Microbiologists estimate that you have ten times as many bacteria as living cells. These bacteria help fight disease and digest food. Bees can be used to find bombs and explosives. By training bees with sugar water that smells like explosives, they can effectively identify them. It takes about 60 seconds for a single blood cell to flow throughout the entire body. Your heart pumps 70 milliliters per beat, and you have seven liters of blood in your body. Neptune was discovered using mathematics. Astronomers noticed the weird orbit of Uranus and deduced the existence of another planet through calculations. Years later, Neptune was discovered using a telescope. On the moon, your weight would be 16.5% of your weight on Earth. If you weigh 100 pounds on Earth, you would only weigh 16.5 pounds on the moon.