« previous next »
« previous next »
 

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Papilio machaon caterpillar showing the osmeterium, which emits unpleasant smells to ward off predat Papilio machaon caterpillar showing the osmeterium, which emits unpleasant smells to ward off predat
negative feedback negative feedback
Dopamine and Reinforcement Dopamine and Reinforcement
ABO and Rh grouping using gelatin centrifugation. The blood sample above is AB negative as indicated ... ABO and Rh grouping using gelatin centrifugation. The blood sample above is AB negative as indicated ...
Using Reinforcement Instead of Punishment Using Reinforcement Instead of Punishment
In the drawing of acetaldehyde, CH3CHO, the largest partial negative charge (-) occurs on In the drawing of acetaldehyde, CH3CHO, the largest partial negative charge (-) occurs on
Video: Anatomy and Chemical Makeup of a Single Hair (Animation)

For a complete list of videos, visit our video library