Showing results for: Videos

Learn about how and why we itch. (4:43 min.)

Learn More

Your smartphone, tablet and other devices emit large quantities of blue light wavelengths. This tells your body "wake up!" when you should be getting ready to sleep. (2:50 min.)

Learn More

It’s in our tap water, toothpaste and even in tea. Fluoride has helped reduce cavities in children for decades. Still, more than 70 years after Grand Rapids, Michigan, became the first city to fluoridate its drinking water, the practice remains controversial. Some worry that fluoridated drinking water can lead to health issues, but what is the scientific consensus? (3:14 min.)

Learn More

Here’s a conundrum: Identical twins originate from the same DNA ... so how can they turn out so different — even in traits that have a significant genetic component? (5:02 min.)

Learn More

Fuel cells may be a major energy source of the future, but how do they work? Also addressed are the current and future possibilities for this technology. (4:01 min.)

Learn More

What makes skunk spray smell so awful? And how can you get rid of the smell? It’s all in the chemistry! (3:50 min.)

Learn More

This video, from the NASA Technology Transfer Program, describes a new material that has applications in aerospace as well as material science and biological science. (2:56 min.)

Learn More

Learn how to operate Canadarm2 on board the International Space Station by watching astronaut Chris Hadfield use it to capture and dock a SpaceX Dragon capsule on March 3, 2013. (2:57)

Learn More

From a blacksmith's son, to one of the most repeated names in physics textbooks, Michael Faraday embodies the spirit of scientific exploration. (3:46 min.)

Learn More

This CNSC video takes you beyond the tiny world of the atom to explore sources of radiation, the concept of dose, and how radiation affects the body and health.

Learn More