Why Do We Sleep?
Why do we sleep? Why do we dream? How conscious are we during sleep and dreams? Mélanie Boly explains the important ongoing studies.
Video Genre: Big Questions
The Benefits of a Good Night’s Sleep
It’s 4am, the big test is in 8 hours. Should you drink another cup of coffee and spend the next few hours cramming? Or should you go to sleep?
How An Infinite Hotel Ran Out Of Room?
If there's a hotel with infinite rooms, could it ever be completely full? Could you run out of space to put everyone? The answer is yes.
How Do Wind Turbines Work?
Explore how wind turbines convert wind into electricity, and the challenges of powering the world entirely with wind energy.
Why Carrots Taste Sweeter In Winter?
Carrots have developed the physiological response of increasing their sugar content when it’s cold outside.
Why is Ketchup So Hard to Pour?
Ever go to pour ketchup on your fries...and nothing comes out? George Zaidan describes the physics behind this frustrating phenomenon.
What the Internet is Doing to Our Brains
Most of us are on the Internet on a daily basis and whether we like it or not, the Internet is affecting us. It changes how we think, how we…
How Humans Become The Best Runners On The Planet
Running may feel like a mammoth task for most of us. But did you know our species have evolved to run better than any animal on this planet?
Life of an Astronaut – Jerry Carr
Astronaut Jerry Carr knows space. As commander of Skylab, he spent over 2000 hours in space, orbiting the Earth over 1000 times.
Economics 101: How The Economic Machine Works
This simple, animated video answers the question, "How does the economy really work?"
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