« previous next »
« previous next »
 

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Because of the high physical activity and the amount of energy expended by the brains of 2- to ... Because of the high physical activity and the amount of energy expended by the brains of 2- to ...
Voltmeter hook-ups for voltage-drop testing of a Ford-type cranking circuit. Voltmeter hook-ups for voltage-drop testing of a Ford-type cranking circuit.
A Hall-effect sensor produces a digital on-off voltage signal whether it is used with a blade or a ... A Hall-effect sensor produces a digital on-off voltage signal whether it is used with a blade or a ...
The pH scale is logarithmic. A low pH indicates acidic conditions, whereas a high pH indicates ... The pH scale is logarithmic. A low pH indicates acidic conditions, whereas a high pH indicates ...
The voltage-gated channel cycles during an action potential The voltage-gated channel cycles during an action potential
High stress, by household type (age-standardized), age 18+, Canada, 1994-1995 High stress, by household type (age-standardized), age 18+, Canada, 1994-1995
Video: Fractures Animation

For a complete list of videos, visit our video library