« previous next »
« previous next »
 

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

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?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Tooth Anatomy Tooth Anatomy
Color-enhanced magnetic resonance image (MRI) showing a sagittal view of the head. Color-enhanced magnetic resonance image (MRI) showing a sagittal view of the head.
3D image of a melanoma cell 3D image of a melanoma cell
The first dark spot observed on Uranus. Image obtained by the HST ACS in 2006. The first dark spot observed on Uranus. Image obtained by the HST ACS in 2006.
True-color image of layers of haze in Titan's atmosphere. True-color image of layers of haze in Titan's atmosphere.
Micrograph of toothbrush bristles scrubbing plaque on a tooth surface. Micrograph of toothbrush bristles scrubbing plaque on a tooth surface.
Video: baroreceptors

For a complete list of videos, visit our video library