Did you know?

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

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

For a complete list of videos, visit our video library