Ask unlimited questions for free
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
Vaccines prevent between 2.5 and 4 million deaths every year.
There are 20 feet of blood vessels in each square inch of human skin.
For a complete list of videos, visit our video library
