« previous next »
« previous next »
 

Did you know?

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

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Gurung people of Nepal Gurung people of Nepal
What emotions are these people expressing? Are these emotions global? Is their way of expressing ... What emotions are these people expressing? Are these emotions global? Is their way of expressing ...
How people use space as they interact is studied by sociologists who have a microsociological focus. ... How people use space as they interact is studied by sociologists who have a microsociological focus. ...
People using walkers typically have a high level of mobility impairment. People using walkers typically have a high level of mobility impairment.
Growth of World Trade, 1870–2010 Growth of World Trade, 1870–2010
The distribution of the number of hours that a random sample of people spend doing chores per ... The distribution of the number of hours that a random sample of people spend doing chores per ...
Video: Major Elements in Biological Molecules: Carbohydrates

For a complete list of videos, visit our video library