|
Author Question: The ability of the lens to clearly focus on objects at various distances is known as accommodation. ... (Read 27 times) |
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.
The average adult has about 21 square feet of skin.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.