« previous next »
« previous next »
 

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

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?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

The Volumes of Objects with Different Densities The Volumes of Objects with Different Densities
When young infants hold objects for a long period of time they eventually become habituated to them. When young infants hold objects for a long period of time they eventually become habituated to them.
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. ...
Be sure that the clips are properly installed. Start the engine and check for proper operation. Be sure that the clips are properly installed. Start the engine and check for proper operation.
(a) In nondisjunction in meiosis I, one pair of chromosomes fails to separate properly at anaphase I (a) In nondisjunction in meiosis I, one pair of chromosomes fails to separate properly at anaphase I
Colour the objects Colour the objects
Video: Hydrogen bonds - role in the body

For a complete list of videos, visit our video library