PBS_ItsOKToBeSmart

Find out how baby sea turtles find their way home after hatching!

Do periodical cicadas "know" how to calculate prime numbers? One of the strangest life cycles in all of biology, explained!

Laughing is a universal human behavior, one that transcends borders of language and culture. But it's also REALLY WEIRD. Why do we do it? The answer has less to do with humor than you might think

Some people try to attack things like evolution by natural selection and man-made climate change by saying “Oh, that’s just a THEORY!” Yes, they are both theories. Stop saying it like it’s a bad thing! It’s time we learn the difference between a fact, a theory, a hypothesis, and a scientific law.

Joe brings in a few friends to look at death in the animal kingdom.

Why does fire burn? What's the chemistry and physics of a flame? This week, learn about the beautiful science happening inside a flame!

Since New Horizons flew by Pluto on July 14, 2015, it's completely redefined what we know about the dwarf planet and its largest moon Charon. New Horizons' mission will continue to be full of surprises, but here's what we've learned so far

We know more about some other planets than we do about the deepest corners of Earth's oceans, and the species we've found there are almost alien. Here's some of the most unbelievable oddities ever observed! Special thanks to the Monterey Bay Aquarium Research Institute (MBARI) for help with this video!

Why do we sleep? We spend a third of our lives in slumber, but science has yet to determine exactly why we have do it. Here’s a look at how sleep works, why we’re not getting enough sleep, what happens if you DON’T sleep, and an idea about where sleep came from in the first place.

What is El Niño? Why can’t we predict the weather? Just a few slight changes in global climate patterns can drastically shift the weather. Thanks to chaos theory, even our smartest meteorologists can’t predict weather correctly.

Ever wonder where your favorite Thanksgiving foods come from? Well the truth may be closer to home than you think.

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

How the night sky tricks our brains!

What causes the Blood Moon?

A look into the science of concussions.

The science of hot air balloons may surprise you.

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

How do sugar pills really interact with our bodies?

A look at the science behind pigeons.

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

About the importance of the National Parks Foundation.

What weird worlds are these video games creating?

Some of the biggest evolution questions finally answered.

Some of the biggest evolution questions finally answered.

Some of the biggest evolution questions finally answered.