Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

For a complete list of videos, visit our video library