« previous next »
« previous next »
 

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Cross section of the right forearm Cross section of the right forearm
Default Activity in the Alzheimer Brain Default Activity in the Alzheimer Brain
A section of the retina. The fovea is the indentation at the center of the retina; it is specialized ... A section of the retina. The fovea is the indentation at the center of the retina; it is specialized ...
Capital’s Share of Income in a Cross-Section of Countries Capital’s Share of Income in a Cross-Section of Countries
Sagittal section of brain showing hypothalamic nuclei Sagittal section of brain showing hypothalamic nuclei
Medial view of tracts revealed by removing gray matter from a midsagittal section Medial view of tracts revealed by removing gray matter from a midsagittal section
Video: Aneurysm

For a complete list of videos, visit our video library