« previous next »
« previous next »
 

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

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?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Over nearly 30 years, humans removed many polar bears for a variety of reasons, from a population in Over nearly 30 years, humans removed many polar bears for a variety of reasons, from a population in
Size comparison of Earth and Uranus Size comparison of Earth and Uranus
The Long Valley Caldera Erupted the Bishop Ash 760,000 Years Ago The Long Valley Caldera Erupted the Bishop Ash 760,000 Years Ago
How Orbital Eccentricity Changes the Amount of Solar Radiation Earth Receives How Orbital Eccentricity Changes the Amount of Solar Radiation Earth Receives
Natural Hazards: Earth's Processes as Hazards, Disasters, and Catastrophes, 4th Edition Natural Hazards: Earth's Processes as Hazards, Disasters, and Catastrophes, 4th Edition
Earth’s Layered Structure Earth’s Layered Structure
Video: Factors that affect conduction rates (myelination, axon diameter & temperature)

For a complete list of videos, visit our video library