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Author Question: A skull fragment found in a 400-year-old trash dump at this settlement provided evidence that skull ... (Read 111 times) |
Approximately 500,000 babies are born each year in the United States to teenage mothers.
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.