Season 4

Video thumbnail: It's Okay to Be Smart Why Is The Universe So Empty? (ft. PHD Comics!)

It's Okay to Be Smart

Why Is The Universe So Empty? (ft. PHD Comics!)

Why is the universe organized the way it is? And why is it so empty?

Why Is The Universe So Empty? (ft. PHD Comics!)

Video thumbnail: It's Okay to Be Smart Do You Really Have Two Brains?

It's Okay to Be Smart

Do You Really Have Two Brains?

Are you a left-brained person or a right-brained person? Spoiler: You’re neither.

Do You Really Have Two Brains?

Video thumbnail: It's Okay to Be Smart Putting Hurricane Harvey In Perspective

It's Okay to Be Smart

Putting Hurricane Harvey In Perspective

How do we comprehend a storm like Hurricane Harvey? Let's put it into perspective.

Putting Hurricane Harvey In Perspective

Video thumbnail: It's Okay to Be Smart DNA Doesn’t Look Like What You Think!

It's Okay to Be Smart

DNA Doesn’t Look Like What You Think!

Learn why we can’t look directly at DNA. Find out how DNA is actually packed inside cells.

DNA Doesn’t Look Like What You Think!

Video thumbnail: It's Okay to Be Smart How Poop Shapes the World

It's Okay to Be Smart

How Poop Shapes the World

Poop, throughout nature, shapes the world in ways you might not imagine.

How Poop Shapes the World

Video thumbnail: It's Okay to Be Smart When Is It Winter On Other Planets?

It's Okay to Be Smart

When Is It Winter On Other Planets?

Earth has seasons, but what about the rest of the planets in the solar system?

When Is It Winter On Other Planets?

Video thumbnail: It's Okay to Be Smart Your Climate Conscience - feat. Al Gore

It's Okay to Be Smart

Your Climate Conscience - feat. Al Gore

News about climate change is often full of doom, guilt, and anxiety.

Your Climate Conscience - feat. Al Gore

Video thumbnail: It's Okay to Be Smart Why Nature Loves Hexagons (featuring Infinite Series!)

It's Okay to Be Smart

Why Nature Loves Hexagons (featuring Infinite Series!)

From spirals to spots to fractals, nature is full of interesting patterns.

Why Nature Loves Hexagons (featuring Infinite Series!)

Video thumbnail: It's Okay to Be Smart We Got Ants In Our Plants!

It's Okay to Be Smart

We Got Ants In Our Plants!

What is this? A forest for ANTS?!

We Got Ants In Our Plants!

Video thumbnail: It's Okay to Be Smart How Do Glaciars Move?

It's Okay to Be Smart

How Do Glaciars Move?

Glacier ice flows like a liquid, and it does that without melting!

How Do Glaciars Move?

Video thumbnail: It's Okay to Be Smart Beavers: The Smartest Things in Fur Pants

It's Okay to Be Smart

Beavers: The Smartest Things in Fur Pants

we show you why Earth’s second largest rodent is more amazing than you ever knew

Beavers: The Smartest Things in Fur Pants

Video thumbnail: It's Okay to Be Smart Orchid Mantis: Looks That Kill

It's Okay to Be Smart

Orchid Mantis: Looks That Kill

These killer insects are almost indistinguishable from orchids!

Orchid Mantis: Looks That Kill

Video thumbnail: It's Okay to Be Smart Nature's Living Fireworks

It's Okay to Be Smart

Nature's Living Fireworks

This week we investigate the beautiful phenomenon of bioluminescence.

Nature's Living Fireworks

Video thumbnail: It's Okay to Be Smart How The Pyramids Were Built (Pyramid Science Part 2)

It's Okay to Be Smart

How The Pyramids Were Built (Pyramid Science Part 2)

This week we look at ancient Egyptian mathematics, building techniques, tools, and culture

How The Pyramids Were Built (Pyramid Science Part 2)

Video thumbnail: It's Okay to Be Smart Is Space A Thing?

It's Okay to Be Smart

Is Space A Thing?

Since the days of Ancient Greece, philosophers and scientists have been asking Whats space

Is Space A Thing?

Video thumbnail: It's Okay to Be Smart How Ingenious Animals Have Engineered Air Conditioning

It's Okay to Be Smart

How Ingenious Animals Have Engineered Air Conditioning

This week we look at how a few of these species have mastered physics to install air condi

How Ingenious Animals Have Engineered Air Conditioning

Video thumbnail: It's Okay to Be Smart De-Extinction: A Mammoth Undertaking

It's Okay to Be Smart

De-Extinction: A Mammoth Undertaking

his week we look at the technical and ethical hurdles behind the science of de-extinction

De-Extinction: A Mammoth Undertaking

Video thumbnail: It's Okay to Be Smart CRISPR and the Future of Human Evolution

It's Okay to Be Smart

CRISPR and the Future of Human Evolution

In part 4 of our special series on human ancestry and evolution, we look into the future.

CRISPR and the Future of Human Evolution

Video thumbnail: It's Okay to Be Smart What’s REALLY Warming the Earth?

It's Okay to Be Smart

What’s REALLY Warming the Earth?

As earth temperatures continue to rise, what's really to blame?

What’s REALLY Warming the Earth?

Video thumbnail: It's Okay to Be Smart Are We All Related?

It's Okay to Be Smart

Are We All Related?

In part3 of our special series on human ancestry we investigate how closely related we are

Are We All Related?

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