Season 3

Video thumbnail: Be Smart Who Shares Your Birthday?

Be Smart

Who Shares Your Birthday?

Birthday math has never been more fun.

Who Shares Your Birthday?

Video thumbnail: Be Smart Could Bigfoot REALLY Exist?

Be Smart

Could Bigfoot REALLY Exist?

The blurred line between legend and science.

Could Bigfoot REALLY Exist?

Video thumbnail: Be Smart Spit: Everything You Never Wanted To Know

Be Smart

Spit: Everything You Never Wanted To Know

Spit is critical for our health. Actually.

Spit: Everything You Never Wanted To Know

Video thumbnail: Be Smart Does Evolution Have a Point? 12 Days of Evolution #12

Be Smart

Does Evolution Have a Point? 12 Days of Evolution #12

Some of the biggest evolution questions finally answered.

Does Evolution Have a Point? 12 Days of Evolution #12

Video thumbnail: Be Smart Are Humans Still Evolving? 12 Days of Evolution #11

Be Smart

Are Humans Still Evolving? 12 Days of Evolution #11

Some of the biggest evolution questions finally answered.

Are Humans Still Evolving? 12 Days of Evolution #11

Video thumbnail: Be Smart Why Are There Still Monkeys? - 12 Days of Evolution #10

Be Smart

Why Are There Still Monkeys? - 12 Days of Evolution #10

Some of the biggest evolution questions finally answered.

Why Are There Still Monkeys? - 12 Days of Evolution #10

Video thumbnail: Be Smart Can Evolution Create Information? - 12 Days of Evolution #9

Be Smart

Can Evolution Create Information? - 12 Days of Evolution #9

Some of the biggest evolution questions finally answered.

Can Evolution Create Information? - 12 Days of Evolution #9

Video thumbnail: Be Smart Why Do Men Have Nipples? - 12 Days of Evolution #7

Be Smart

Why Do Men Have Nipples? - 12 Days of Evolution #7

Some of the biggest evolution questions finally answered.

Why Do Men Have Nipples? - 12 Days of Evolution #7

Video thumbnail: Be Smart Evolution Is Dumb - 12 Days of Evolution #6

Be Smart

Evolution Is Dumb - 12 Days of Evolution #6

Some of the biggest evolution questions finally answered.

Evolution Is Dumb - 12 Days of Evolution #6

Video thumbnail: Be Smart Can Evolution Make an Eye? - 12 Days of Evolution #4

Be Smart

Can Evolution Make an Eye? - 12 Days of Evolution #4

Some of the biggest evolution questions finally answered.

Can Evolution Make an Eye? - 12 Days of Evolution #4

Video thumbnail: Be Smart Is Evolution Random? - 12 Days of Evolution #2

Be Smart

Is Evolution Random? - 12 Days of Evolution #2

Some of the biggest evolution questions finally answered.

Is Evolution Random? - 12 Days of Evolution #2

Video thumbnail: Be Smart What Is Evolution, Anyway? - 12 Days of Evolution #1

Be Smart

What Is Evolution, Anyway? - 12 Days of Evolution #1

Some of the biggest evolution questions finally answered.

What Is Evolution, Anyway? - 12 Days of Evolution #1

Video thumbnail: Be Smart Could Planet Minecraft Actually Exist?

Be Smart

Could Planet Minecraft Actually Exist?

What weird worlds are these video games creating?

Could Planet Minecraft Actually Exist?

Video thumbnail: Be Smart Can Coral Reefs Survive Climate Change? #OursToLose

Be Smart

Can Coral Reefs Survive Climate Change? #OursToLose

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

Can Coral Reefs Survive Climate Change? #OursToLose

Video thumbnail: Be Smart The Strange Science of the Placebo Effect

Be Smart

The Strange Science of the Placebo Effect

How do sugar pills really interact with our bodies?

The Strange Science of the Placebo Effect

Video thumbnail: Be Smart Is Big Data Getting Too Big?

Be Smart

Is Big Data Getting Too Big?

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

Is Big Data Getting Too Big?

Video thumbnail: Be Smart The REAL Physics of Hot Air Balloons!

Be Smart

The REAL Physics of Hot Air Balloons!

The science of hot air balloons may surprise you.

The REAL Physics of Hot Air Balloons!

Video thumbnail: Be Smart How To Hit A Fastball (According To Science!!!)

Be Smart

How To Hit A Fastball (According To Science!!!)

DISCLAIMER: I have very bad hitting form. Baseball was never my thing :)

How To Hit A Fastball (According To Science!!!)

Video thumbnail: Be Smart What Color Is The Moon?

Be Smart

What Color Is The Moon?

How the night sky tricks our brains!

What Color Is The Moon?

Video thumbnail: Be Smart Why Do We Have to Sleep

Be Smart

Why Do We Have to Sleep

…and how did it evolve in the first place?

Why Do We Have to Sleep

Video thumbnail: Be Smart Theory vs Hypothesis vs Law

Be Smart

Theory vs Hypothesis vs Law

Think you know the difference?

Theory vs Hypothesis vs Law

Video thumbnail: Be Smart Eight Incredible Deep Sea Oddities

Be Smart

Eight Incredible Deep Sea Oddities

There's some strange creatures down in the deep …

Eight Incredible Deep Sea Oddities

Support for PBS.org provided by: