« previous next »
« previous next »
 

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

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?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Age-Crime Relationship in (a) 1842 and (b) 1992 Age-Crime Relationship in (a) 1842 and (b) 1992
Battle scene from The Birth of a Nation, directed by D. W. Griffith. Battle scene from The Birth of a Nation, directed by D. W. Griffith.
Vessel with birth scene, Peru, Moche culture. Vessel with birth scene, Peru, Moche culture.
The evolution of societies has been so thorough that this scene—once common for all humanity—has ... The evolution of societies has been so thorough that this scene—once common for all humanity—has ...
The Aviator OCD Scene (Washing Hands) The Aviator OCD Scene (Washing Hands)
Painting of a Jurassic scene Painting of a Jurassic scene
Video: Calvin Cycle Explained!

For a complete list of videos, visit our video library