« previous next »
« previous next »
 

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

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?

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?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Renin Angiotensin Mechanism Renin Angiotensin Mechanism
Homeostatic Mechanism Homeostatic Mechanism
Mechanism Mechanism
The net price of an article is $79.84. What is the list price if a discount of 23% was allowed? The net price of an article is $79.84. What is the list price if a discount of 23% was allowed?
Illustration of the mechanism of riboswitch regulation of gene expression Illustration of the mechanism of riboswitch regulation of gene expression
Structure and mechanism of CRISPR–cas in microbes Structure and mechanism of CRISPR–cas in microbes
Video: A Human Karyotype Preparation Animation

For a complete list of videos, visit our video library