Big Questions Archives - Page 3 of 6

Soil is underappreciated. But it's vital in so many ways. Here's a look at the importance of soil - and why soil matters so much.

Why do we sleep? Why do we dream? How conscious are we during sleep and dreams? Mélanie Boly explains the important ongoing studies.

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?

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.

Explore how wind turbines convert wind into electricity, and the challenges of powering the world entirely with wind energy.

Carrots have developed the physiological response of increasing their sugar content when it’s cold outside.

Ever go to pour ketchup on your fries...and nothing comes out? George Zaidan describes the physics behind this frustrating phenomenon.

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…

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?

Astronaut Jerry Carr knows space. As commander of Skylab, he spent over 2000 hours in space, orbiting the Earth over 1000 times.

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