Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

For a complete list of videos, visit our video library