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How do goldfish survive in icy lakes and your poorly cleaned aquarium? Learn more about goldfish and alcohol on this episode.

Separating Ninja Facts From Ninja Fiction

A new ninja research center opened in Japan. This episode looks at the myth of the ninja and what the research center hopes to solve and study.

Can NASA Hit An Asteroid with a DART?

In 2022, NASA is planning on ramming a spacecraft into an asteroid to knock it off course. Learn more about the DART mission on this episode.

Millennials Buy Homes For Their Dogs

Millennials are buying real estate, but not for reasons you'd expect. A third of them say they bought their house for their dog.

How Many People Take and Misuse Prescription Opioids?

For the first time in our history, more adults are dying from overdoses than from car accidents or gun violence. New statistics shine a light on the reasons behind the tragic trend.

Why Is Friday the 13th Considered Unlucky?

In countries like the United States, people have a superstitious fear of one particular date: Friday the 13th. But why? In this episode, Christian discusses the two main fears that have fueled the Friday the 13th superstitions, as well as their origins.

Why Do We Have Eyebrows?

Eyebrows are prominent human features, but what purpose do they serve? Scientists think they help keep stuff out of our eyes and aid in nonverbal communication, among other things.

Why Can't We Breathe Underwater?

Water is made up of hydrogen and oxygen, so why aren't we able to breathe underwater?

Is Chocolate Poisonous To Dogs?

Under the right conditions, chocolate can indeed be deadly for dogs. Tune in to learn more about the compound in chocolate that makes it dangerous for dogs (and how much is too much) in this episode of BrainStuff.

Why Are There 60 Minutes In An Hour Instead of 100?

Do clocks really follow a system inherited from ancient Sumeria?

Why is Dry Ice Dangerous?

Dry ice is different from regular ice in several ways. Find out what makes dry ice so unique, along with why it can be dangerous, on this week's episode of BrainStuff.

Is Dry Cleaning Actually Wet?

Spoiler Alert: No, dry cleaning isn't dry. Instead, it uses a petroleum solvent in place of water. Learn more about dry cleaning in this episode of BrainStuff.

Why Is It Painful To Bite Aluminum Foil?

When (dental) metal in your mouth comes in contact with aluminum foil, your teeth get a painful shock from the electricity produced. Christian Sager explains how the voltaic effect plays out in your mouth in this episode of BrainStuff.

Are Some People Immune To Mosquitoes?

Ugh. Mosquitoes, right? They’re the worst. They pester everyone… or do they? Tune in to learn more.

What are Sea Monkeys?

Sea Monkeys are a type of brine shrimp. These shrimp create remarkably resilient eggs called cysts. Check out this BrainStuff episode and learn more about the secret behind Sea Monkeys.

What's the Best Place To Sit In A Movie Theater?

When it comes to where you should sit in a movie theater to get the best experience, it's mostly a matter of preference. Except when it comes to sound. Find out why -- and where you should sit -- in this episode.

What is the Birthday Paradox?

The so-called Birthday Paradox isn't a true paradox -- it's a fascinating example of how bad humans are at off-the-cuff probability. Tune in to learn what the Birthday Paradox is and how it works.

How Fuel Efficient Is An Airplane?

How much fuel does a 747 need to complete an international flight? How efficient are these aircraft? Join Christian as he asks how much fuel an international flight actually uses.

Why Are You Farting?

Sure, flatulence is embarrassing. But why do we do it?

Where Do Bullets Go When Fired Into The Air?

When people fire guns into the air in a celebratory manner, those bullets have to go somewhere. Find out how high fired bullets can go -- and why they can be dangerous -- in this episode of BrainStuff.