« previous next »
« previous next »
 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Major types of microbial cell shapes. Major types of microbial cell shapes.
Cells involved in nonspecific immunity in vertebrates. Cells involved in nonspecific immunity in vertebrates.
The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth
Cell Cell
Epithelial cells Epithelial cells
Leaning against a table with a pillow for support. Leaning against a table with a pillow for support.
Video: Kidney Stones

For a complete list of videos, visit our video library