Did you know?
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.
Did you know?
Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).
Did you know?
Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
Women are 50% to 75% more likely than men to experience an adverse drug reaction.
Hershey Chase Experiment
Why are some of the letters above the red line and some letters below?
A Double-Line Spectroscopic Binary
Beau’s line
Two radio antennas are 130 m apart on a north-south line. The two antennas radiate in phase at ...
The Taylor–Woods–Hughes experiment