« previous next »
« previous next »
 

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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.

The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth
Heaven or earth? Heaven or earth?
The fuel system should hold pressure if the system is leak free. The fuel system should hold pressure if the system is leak free.
Earth’s orientation Earth’s orientation
Earth’s Spheres Earth’s Spheres
Happy earth day jk kid drawing Happy earth day jk kid drawing
Video: Role of ATP in muscle movement

For a complete list of videos, visit our video library