Season 3

Video thumbnail: It's Okay to Be Smart The Invisible Creatures That Keep You Alive!

It's Okay to Be Smart

The Invisible Creatures That Keep You Alive!

A complete microbiome lives inside us, and believe it or not, that's a good thing.

The Invisible Creatures That Keep You Alive!

Video thumbnail: It's Okay to Be Smart VENOM: Nature’s Killer Cocktails

It's Okay to Be Smart

VENOM: Nature’s Killer Cocktails

Venom comes in all different types, so here's everything you'll ever need to know.

VENOM: Nature’s Killer Cocktails

Video thumbnail: It's Okay to Be Smart Attack of the Cosmic Space Junk!

It's Okay to Be Smart

Attack of the Cosmic Space Junk!

No astronauts were harmed in the making of this video.

Attack of the Cosmic Space Junk!

Video thumbnail: It's Okay to Be Smart Why Salt & Pepper?

It's Okay to Be Smart

Why Salt & Pepper?

Join the #AnythingButPepper movement!

Why Salt & Pepper?

Video thumbnail: It's Okay to Be Smart Why Don't Other Animals Wear Glasses?

It's Okay to Be Smart

Why Don't Other Animals Wear Glasses?

Vision impairment is common in humans, so why not the rest of the animal kingdom?

Why Don't Other Animals Wear Glasses?

Video thumbnail: It's Okay to Be Smart Should You Be Worried About Zika?

It's Okay to Be Smart

Should You Be Worried About Zika?

Mosquitos have been dangerous for, well... forever. So what's new about Zika?

Should You Be Worried About Zika?

Video thumbnail: It's Okay to Be Smart Inside the World of Fire Ants!

It's Okay to Be Smart

Inside the World of Fire Ants!

A song of ants and fire… and ant-decapitating flies.

Inside the World of Fire Ants!

Video thumbnail: It's Okay to Be Smart 6 Chemical Reactions That Changed History

It's Okay to Be Smart

6 Chemical Reactions That Changed History

From fire to food, check out these life-altering reactions that surround us everyday.

6 Chemical Reactions That Changed History

Video thumbnail: It's Okay to Be Smart The Cosmic Afterglow

It's Okay to Be Smart

The Cosmic Afterglow

The lingerling radiation from the ancient universe still surrounds us to this day.

The Cosmic Afterglow

Video thumbnail: It's Okay to Be Smart How Many Trees Are There?

It's Okay to Be Smart

How Many Trees Are There?

It may be an impossible questions, but we can at least get close.

How Many Trees Are There?

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?

Is Big Data Getting Too Big?

Video thumbnail: It's Okay to Be Smart 100,000,000 Years From Now

It's Okay to Be Smart

100,000,000 Years From Now

What relics will the 'anthropocene' age leave behind?

100,000,000 Years From Now