See how athletes' hand-eye coordination is tested as they try to catch fast moving tennis balls with both hands. [5:01]

Get an overview of the science of cricket, and see how players can improve performance. [7:49]

Find out how modern bike designs, aerodynamics, innovation, and technology are changing the sport of cycling. [2:06]

Scientists and professional snowboarders offer unique insight and discuss the science behind the exciting sport of snowboarding. [4:08]

With so many knee injuries affecting athletes, this video shows the knee ligament anatomy and how it becomes injured. [1:41]

Learn the science behind rugby scrums and find out about potential injuries that come with this sport. [5:39]

See how NBA player Corey Maggette monitors and processes movement out of the corner of his eye, and find out how this affects his reaction time in his sport. [4:57]

See how the stones used for the sport of curling are made. [5:02]

Understand how force, acceleration, gravity, friction, and wind resistance all relate to the exciting sport of alpine skiing. [4:00]

This montage of powerful F5 tornadoes shows the incredible damage they cause as they make their way through tornado alley and other parts of the USA. [1:23]

Learn how moisture rises and cools, eventually forming tiny water droplets that later return to earth in the form of rain. [1:02]

Enjoy the beauty of lightning in slow motion, and experience nature's raw power. [0:44]

Watch this video clip as the lightning strikes nearby while the cameraman manages to turn and capture the scene despite the obvious shock from the lightning's noise. [1:06]

Check out just how powerful and destructive a big hail storm can be. Watch the massive damage it creates as it happens. [3:19]

Watch in amazement as the pilot of this plane performs a remarkable aborted plane landing in extreme crosswind. [0:58]

Seen from a helicopter above, the video clip shows gigantic waves crashing into the cruise ship as it rolls around the heavy sea swells. [3:32]

Watch this amazing dust storm video clip from Broken Hill, NSW, Australia in December of 2007. [1:40]

Narrated animation showing how the lungs work to allow us to breathe and exchange oxygen for carbon dioxide. (Length: 1 min. 18 sec.)

Animated video explaining how the human ear works to allow us to hear sound. (1 min.)

Narrated animation explaining the forces inside the Earth that can lead to earthquakes. (Length: 1 min. 39 sec.)

Aerial animation showing how the Arctic sea ice melts and refreezes each year, but that over time it is shrinking, probably due to global warming. (Length: 29 sec.)

Watch a "Pharaoh's Serpent" reaction, which occurs during the combustion of mercury thiocyanate. [0:36]

Using food coloring, this color experiment demonstrates how dish soap and milk behave when they come into contact with each other. [2:28]