« previous next »
« previous next »
 

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Major arteries of the systemic circulation. Major arteries of the systemic circulation.
The major cortical input and output pathways of the dorsolateral prefrontal association cortex. ... The major cortical input and output pathways of the dorsolateral prefrontal association cortex. ...
The three major structures of the medial temporal lobe, illustrated in the monkey brain: the ... The three major structures of the medial temporal lobe, illustrated in the monkey brain: the ...
Bach, Minuet in G major, BWV Anh 114, Piano Bach, Minuet in G major, BWV Anh 114, Piano
Major bone (tan) and cartilage (light blue) elements of the human skeleton. Inset shows regions of v Major bone (tan) and cartilage (light blue) elements of the human skeleton. Inset shows regions of v
Some of the major nerves of the human nervous system Some of the major nerves of the human nervous system
Video: The pH scale - Strong acids and Weak acids

For a complete list of videos, visit our video library