« previous next »
« previous next »
 

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

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?

Illicit drug use costs the United States approximately $181 billion every year.

Wood first appeared in plants called progymnosperms. Wood first appeared in plants called progymnosperms.
Luna Park at Coney Island was a vast living theater in which strollers were both spectators and acto Luna Park at Coney Island was a vast living theater in which strollers were both spectators and acto
Herbert Spencer (1820–1903), sometimes called the second founder of sociology, coined the term ... Herbert Spencer (1820–1903), sometimes called the second founder of sociology, coined the term ...
People whose behaviors violate norms are often called mentally ill. “Why else would they do such ... People whose behaviors violate norms are often called mentally ill. “Why else would they do such ...
The nucleus is bounded by a double membrane called the nuclear envelope The nucleus is bounded by a double membrane called the nuclear envelope
A commercially available DNA microarray, called a GeneChip, marketed by Affymetrix, Inc A commercially available DNA microarray, called a GeneChip, marketed by Affymetrix, Inc
Video: Cerebral Cortex Animation

For a complete list of videos, visit our video library