PBS Anywhere

Providing Support for PBS.org

It’s Okay to Be Smart

Space Sounds

Video duration: 3:16

There is no sound in space. In the near-vacuum of space, there is nothing to transmit the physical waves that we need to perceive sound. But that doesn't mean we can't MAKE sound from space.

Episodes of It’s Okay to Be Smart115

Video thumbnail: It’s Okay to Be Smart Can Coral Reefs Survive Climate Change? #OursToLose

It’s Okay to Be Smart

Can Coral Reefs Survive Climate Change? #OursToLose

The #OursToLose YouTube campaign sheds light on climate change and the environment.

5:05

Can Coral Reefs Survive Climate Change? #OursToLose

5:05

Video thumbnail: It’s Okay to Be Smart The Strange Science of the Placebo Effect

It’s Okay to Be Smart

The Strange Science of the Placebo Effect

How do sugar pills really interact with our bodies?

6:15

The Strange Science of the Placebo Effect

6:15

Video thumbnail: It’s Okay to Be Smart The REAL Physics of Hot Air Balloons!

It’s Okay to Be Smart

The REAL Physics of Hot Air Balloons!

The science of hot air balloons may surprise you.

5:51

The REAL Physics of Hot Air Balloons!

5:51

Video thumbnail: It’s Okay to Be Smart Is Big Data Getting Too Big?

It’s Okay to Be Smart

Is Big Data Getting Too Big?

Our need for data storage grows everyday... but by how much?

4:28

Is Big Data Getting Too Big?

4:28

See all Episodes