« previous next »
« previous next »
 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Tracheid cells in xylem tissue. Tracheid cells in xylem tissue.
Role of CD23 on epithelial cells in the pathogenesis of food allergic disease. Role of CD23 on epithelial cells in the pathogenesis of food allergic disease.
Human embryonic stem cells forming rosettes, a sign of neural differentiation Human embryonic stem cells forming rosettes, a sign of neural differentiation
Distribution of bonding and outer nonbonding electrons in the peptide group Distribution of bonding and outer nonbonding electrons in the peptide group
Schematic illustration of Myers and Sperry’s (1953) groundbreaking split-brain experiment. There ... Schematic illustration of Myers and Sperry’s (1953) groundbreaking split-brain experiment. There ...
Fighter Cells Fighter Cells
Video: Apicomplexan life cycle Animation

For a complete list of videos, visit our video library