« previous next »
« previous next »
 

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Comet Tempel 1 67 seconds after colliding with the Deep Impact probe. Comet Tempel 1 67 seconds after colliding with the Deep Impact probe.
Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int
Burn Degree By Tissue Layer Burn Degree By Tissue Layer
Model of malaria protozoa in a red blood cell. New parasites are produced and mature in the RBC, ... Model of malaria protozoa in a red blood cell. New parasites are produced and mature in the RBC, ...
An AC voltage is produced by a magnetic sensor. Most sensors should produce at least 0.1 volt AC ... An AC voltage is produced by a magnetic sensor. Most sensors should produce at least 0.1 volt AC ...
Use fingertips to apply deep friction to mobilize the scalp. Apply with one hand and brace with the ... Use fingertips to apply deep friction to mobilize the scalp. Apply with one hand and brace with the ...
Video: Parkinson's Disease

For a complete list of videos, visit our video library