« previous next »
« previous next »
 

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Experimental evidence of the effect of allelochemicals on plant production. Experimental evidence of the effect of allelochemicals on plant production.
Skin signs are objective evidence of an illness or disorder. They can be seen, measured, or felt. Skin signs are objective evidence of an illness or disorder. They can be seen, measured, or felt.
Anatomically modern humans left archaeological clues, including evidence of burials, which indicate Anatomically modern humans left archaeological clues, including evidence of burials, which indicate
Women and Crime Women and Crime
Evidence for the covalent intermediate in the mechanism of lysozyme Evidence for the covalent intermediate in the mechanism of lysozyme
Dynamic conformational changes in the catalytic cycle of dihydrofolate reductase Dynamic conformational changes in the catalytic cycle of dihydrofolate reductase
Video: Control of ventilation rate by other brain centers (posts, hypothalamus & cerebral cortex)

For a complete list of videos, visit our video library