Owning a home in the US is a way to pass wealth down from one generation to the next and lift families into a comfortable life down the road. But there have been barriers to buying homes that Black Americans have faced from the time of slavery to today.

California is a pretty cool name. And the story about where it came from is even cooler.

Sacagawea was only 16 when she joined the Corps of Discovery. That is one seriously impressive teenager.

Despite tons of people using cotton swabs each day to clean the earwax from their ears, cerumen (as earwax is clinically known) is actually quite beneficial to the health of your ears - and even kind of ingenious as your body's defense goes. Learn more in this classic episode.

The NAACP has long been one of the most robust and effective non-profits in the USA. And while it has faded a bit from its glory days, it still remains a vital cog in the battle for equality.

In 1986 Cleveland released more than a million helium balloons at once! It didn’t go at all according to plan!

You know Groundhog Day – the holiday on February 2 when you wake up and have to go through the same day over and over again. It turns out the holiday has deep roots in a pagan past, and has survived in a surprisingly similar form.

Cultures around the world over the years have been inspired by, then repulsed, then inspired by maggots' ability to heal persistent wounds. We are in an inspired-by phase right now. Learn more in this classic episode.

Humans have been stealing energy from flowing water for at least two thousand years. It wasn’t until the advent of electricity that things really got cookin’. All we need to do now is to work out the harmful environmental impacts of this green energy.

How black is vantablack? About as black as you could imagine.

The history of the KKK is rooted in hatred and racism, and it still is today. Learn all about these loathsome rednecks today.

After newsreels captured the Hindenburg erupting in fire in 1937, the promising development of airship aviation was cut short. Today companies and militaries are taking another look at blimps and the unique qualities that may revive them. Learn all about it in this classic episode.

In 2010 an eccentric art dealer hid a treasure chest with $2 million in valuables somewhere in the Rocky Mountains and published a poem with clues on where to find it. Hence began the most famous treasure hunt in modern times.

If you think Necco Wafers are the most disgusting candy on the planet, you are not alone. But it turns out there’s a rich history behind those chalky discs that make them fascinating, if horrible.

It was America's most famous family feud, but the history of the Hatfields vs the McCoys is fraught with bias and inaccuracies. Dig into a disagreement in 19th-century Appalachia that became a very big deal around the world, in this classic episode.

Should you be afraid of these creepy little creatures you find in your basement? Only one way to find out.

Skateboarding started out as something bored surfers did when the waves weren't breaking, but after a few improvements to the design, it took off like a rocket to become its own cultural phenomenon. Come gleam the cube with Josh and Chuck as you ollie over this classic episode.

Orville and Wilbur Wright were not trained professionals, but they were rigorous experimenters who ended up changing the world.

Have you ever noticed sometimes theaters – we mean, theatres – oh, forget it – places where you see movies or plays – are sometimes spelled two different ways? You can thank Noah Webster, author of the first American dictionary, for that.

Did you know space has weather? It’s true! In our solar system, tons – literal tons – of highly charged gas and magnetized particles spew from the surface constantly, causing all sorts of weird stuff here on Earth. So far, nothing too bad has happened.

What began as a challenge to an oil engineer to make a terrible singer into a pitch-perfect one, Auto-Tune has become a ubiquitous (and, to many, obnoxious) part of the musical soundscape. Learn more in this classic episode.

The Eiffel Tower is one of the top destinations on Planet Earth. It turns out to be a pretty cool feat of engineering as well.