Season 7

Video thumbnail: It's Okay to Be Smart How Blind People See With Sound

It's Okay to Be Smart

How Blind People See With Sound

Blind YouTuber Molly Burke shows Joe Hanson a new way to see.

How Blind People See With Sound

Video thumbnail: It's Okay to Be Smart Where On Earth Do You Weigh The Least?

It's Okay to Be Smart

Where On Earth Do You Weigh The Least?

This video is all about the difference between mass and weight.

Where On Earth Do You Weigh The Least?

Video thumbnail: It's Okay to Be Smart The Impossible Hugeness of Deep Time

It's Okay to Be Smart

The Impossible Hugeness of Deep Time

Humans have a hard time with really big numbers, especially when it comes to DEEP TIME.

The Impossible Hugeness of Deep Time

Video thumbnail: It's Okay to Be Smart Is There Life on Earth?

It's Okay to Be Smart

Is There Life on Earth?

If we lived light years from Earth, how would we know there’s life here?

Is There Life on Earth?