« previous next »
« previous next »
 

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

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

Children in a kibbutz. Children in a kibbutz.
The Kingsley plantation, on Fort George Island in Jacksonville, Florida. Zephaniah Kingsley, the own The Kingsley plantation, on Fort George Island in Jacksonville, Florida. Zephaniah Kingsley, the own
South Vietnamese women and children were among some 300 apparently unarmed civilians killed in a ... South Vietnamese women and children were among some 300 apparently unarmed civilians killed in a ...
In early industrialization, children worked alongside adults. They worked 12 hours a day Monday to ... In early industrialization, children worked alongside adults. They worked 12 hours a day Monday to ...
The Nutritional Needs of School-Aged Children Can Be Guided by MyPlate The Nutritional Needs of School-Aged Children Can Be Guided by MyPlate
Estimates of the dates of origin and extinction of the three main groups of hominins (green, blue, a Estimates of the dates of origin and extinction of the three main groups of hominins (green, blue, a
Video: Cardiac conductile cells

For a complete list of videos, visit our video library