Should You Combine Finances?

It’s a big day! You just moved in with your boo and you’re totally rocking this living-together thing. But then comes the first rent bill and you’re stuck wondering…how do we handle this? If you asked your grandparents how they handled finances back in their day, you might be met with some weird looks. After […]

How An Igloo Keeps You Warm

[MUSIC] For thousands of years, humans, and plants and animals long before that, have been using frozen “sky water” to keep warm. Which sort of doesn’t make sense. Because snow is cool. You might even say it’s… ice cold. YEEAAHHHHH! No one knows for sure who built the first igloo, but with the right fit […]

Why Does Salt Melt Ice? | SCI CODE

[Coma Niddy] Snow can be fun, but it can also be dangerous if you can slip and fall on ice. But by using Salt we melt Ice with the magic of science. [Narrated] You’re watching SCI CODE! [Coma Niddy] Ice and Water are the same thing, H2O. But one is a liquid and the other […]

The Strange (Unexpected) Reason Ice is Slippery

Thank you to Nord VPN for supporting PBS [chatter in background and ice skates scraping] [bleep] Hey smart people Joe here. I’m willing to bet you’re familiar with this stuff — ice, good old frozen H2O If you ever really stop to think about it I mean sure we put it in our drinks, we […]

The Surprising Places We Waste Energy

[MUSIC] [MUSIC] We are an energy-hungry species, and when it comes to meeting tomorrow’s demands we tend to focus on things like more fuel, new technologies, and better energy efficiency. But we don’t think about this. About 40% of the food in the United States is never eaten, it skips our dinner table and goes […]

6 Chemical Reactions That Changed History

[MUSIC] Physics might show us the universe’s basic building blocks, and biology lets the universe understand itself, but chemistry is where all the fun happens in between. We have thousands of chemical reactions going on inside us every second, but it’s the ones we’ve mastered with our hands, in labs and workshops and factories and […]

How to turn leftovers into electricity | ReInventors

– Well, I think if I got one of these for my house, I could cancel my gym membership. So this is the inside of a horse? This is not what I expected a horse to look like. – Horse is actually an acronym. – What does it stand for? – It stands for high-solids […]

How Do Sharks and Rays Use Electricity to Find Hidden Prey? | Deep Look

We live in a world full of electric fields. Animals, plants — even the earth itself — creates them. But only a handful of creatures can actually sense them. Sharks — also rays and skates… a whole group, animals called elasmobranchs — can actually detect electricity Maybe it’s like feeling the presence of someone hiding […]

Where Did Screaming in Metal Come From?

– This is Sound Field. – We all scream, maybe from happiness, anger, fear, shock, pain, but why so much screaming in metal? And how do we do it without destroying our voice? Nahre and I are gonna find out. (dramatic music) – We’ll likely never know when screaming and music first intersected, but the […]

The Amazing Life of Sand | Deep Look

Sand is a time capsule. Every grain tells a story. Sand can be anything that’s been worn down until it’s reduced to some tiny essential fragment of what it once was. It’s a technical term. Bigger than sand? That’s gravel. Smaller? Silt. Go to beaches across the world and you find sand that looks completely […]