Ask unlimited questions for free
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
The horizontal fraction bar was introduced by the Arabs.
There are 20 feet of blood vessels in each square inch of human skin.
There are more sensory neurons in the tongue than in any other part of the body.
For a complete list of videos, visit our video library