« previous next »
« previous next »
 

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Martian geological features, such as the "Face on Mars", sometimes trigger facial pareidol Martian geological features, such as the "Face on Mars", sometimes trigger facial pareidol
Milestones of Infant Language Development Milestones of Infant Language Development
The medical assisting profession offers many settings in which to pursue your career. Good communica The medical assisting profession offers many settings in which to pursue your career. Good communica
In Chuck Close's portrait, the face is quite recognizable when viewed from a distance. Close ... In Chuck Close's portrait, the face is quite recognizable when viewed from a distance. Close ...
Recommended childhood and adolescent immunization schedule, 2009. Recommended childhood and adolescent immunization schedule, 2009.
A single cell from an early-stage human embryo A single cell from an early-stage human embryo
Video: Methods of carbon dioxide transport - carbaminohemoglobin and bicarbonate ions

For a complete list of videos, visit our video library