« previous next »
« previous next »
 

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

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

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Active transport of molecules Active transport of molecules
Light penetration in Rivers Light penetration in Rivers
Taking an interesting course can help keep your brain active. These seniors are taking a class in ... Taking an interesting course can help keep your brain active. These seniors are taking a class in ...
Absorption of light & photopigments Absorption of light & photopigments
Light Green Eye Color Light Green Eye Color
The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum
Video: Protein catabolism - deamination

For a complete list of videos, visit our video library