Question 1
Question 2
Ask unlimited questions for free
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
For a complete list of videos, visit our video library