Video exploring the workings of the human brain. Medical scanner provides an inside look at the different areas of the brain and their functions. (Length: 4 min. 37 sec.)

Watch as antibodies in the blood stream prevent pathogens from attaching to healthy red blood cells, and mark them for destruction by macrophages. (Length: 53 sec.)

Doctor-narrated video explaining the parts of the human heart, and how they work together. Also discusses damage that can occur from heart disease. (Length: 3 min. 30 sec.)

Narrated three-dimensional computer animation explaining the complex structure of the human skull. (Length: 2 min. 51 sec.)

An introduction to the issue of global warming, what it is, what causes it, and its impact around the world. (Video Length: 3 min. 4 sec.)

Learn about how the world's oceans were created from the birth of the Earth, as well as from thousands of comets that struck it. (Length: 3 min. 46 sec.)

Experience what it is like to climb Mt. Everest as you follow a BBC volunteer making the trek to the base camp, which is located three-fifths of the distance to the summit. (Length: 2 min. 2 sec.)

NASA video of a volcanic eruption in Japan as seen from the International Space Station. (Length: 9 sec.)

Stunning time-lapse video of the Northern Lights as seen over Norway. (Length: 4 min. 25 sec.)

Video examining the issues facing the ten African countries that are situated along and reliant on the Nile River, issues such as drought, erosion, and pollution. (Length: 5 min. 3 sec.)

Watch as the MythBusters team put the famous myth that you can't fold paper any more than seven times to the test. [3:53]

See if a vortex of condensed air can knock three different huts down. [2:33]

Check out this awesome video clip of alkali metals creating an explosion in water. [3:17]

Video explaining the three layers of human skin and the functions of each. (Length: 41 sec.)

Narrated animation showing how the heart and the circulatory system transport blood throughout the body. (Length: 1 min. 8 sec.)

Sing along to this music video to help learn vocabulary for the study of volcanoes, while watching volcanic eruptions at the same time. (Length: 1 min. 57 sec.)

Hard-to-believe video of a surfer riding a tsunami-like wave and surviving. (Length: 1 min. 30 sec.)

Actual video footage of the Loma Prieta earthquake in California in 1989 as it was happening. Shows people running for their lives as buildings and the ground shake around them. (Length: 1 min. 2 sec.)

Inspiring video of a climber mastering the summit of Mt. Everest. (Length: 5 min. 30 sec.)

Michael Palin made a five and a half month journey from the North Pole to the South Pole, while being filmed by the BBC. This video segment follows him as he decides on whether to travel across the Sahara Desert by camel or by vehicle....

Watch what happens when science stunt-men microwave an ostrich egg. [1:02]

Watch the cornstarch science experiments, and see how it stops behaving like a normal liquid when vibrated at a high speed. [2:45]

In a classic chemistry prank, scientists used to make gallium spoons and serve tea to unsuspecting guests with the hot tea melting the spoon. [0:51]

Check out this cool science experiment video to see proof that carbon dioxide is heavier than air. [1:12]