Be Smart
What If We Could See Nature In Infrared?
Why are trees and other plants green? Seems like a simple question. But the answer is full of surprises. Using a special camera that can pick up light just beyond the visible range, into the near-infrared, you’ll get to see trees like...
Be Smart
This Face TOTALLY Changes the Human Story
Greetings, fellow Homo sapiens. Our species is the only remaining member of the genus of upright, walking apes known as Homo. Where did we come from? Our history just got a whole lot more complicated (in a good way) thanks to some...
Be Smart
Unraveling the Great Butterfly Migration Mystery
The monarch butterfly migration is one of nature’s greatest events. This orange-winged wonder travels up to 4,500 km from all over North America to spend the winter hanging from oyamel fir trees in central Mexico’s mountain forests. I...
Be Smart
How Did Giant Pterosaurs Fly?
The largest pterosaurs like Quetzalcoatlus were closer in size to airplanes than birds. No flying animal alive today comes close to their huge size. So did giant pterosaurs actually fly? I went to see the fossil bones of the largest...
Be Smart
Could You Be a Chimera?
Ever feel like you aren't totally yourself? Well, maybe you aren't. In this video, we explore the idea of human chimeras. In mythology, the "Chimaera" was a beast made from different animals combined into one. But in biology, a chimera...
Be Smart
If We Plant 1 TRILLION Trees Can We Stop Climate Change?
Can trees really save us from climate change? For eons, nature has relied on photosynthesis as a big way to keep carbon dioxide levels from getting out of control. But as we have put more carbon into the air, we’ve also cut down many of...
Be Smart
Apollo’s Most Important Discovery (Inside NASA’s Moon Rock Vault!)
Fifty years ago, we sent the first astronauts to walk on the moon’s face. But what they brought back is just as important as what got them there. I’m talking about moon rocks, guys. And I got to go visit NASA’s lunar sample vault to...
Be Smart
7 Scientific Urban Legends Debunked!
It sounds like such an incredible fact. “Our own cells are outnumbered by our microbes 10 to 1!” I don’t remember where I first heard it. But I read it in science papers and articles by journalists, so I believed it without question. I...
Be Smart
Do Other Planets Have Seasons Too?
Earth has seasons, but what about the rest of the planets in the solar system? Let’s take a tour from Mercury to Pluto and see what seasons would be like on all our planetary neighbors. Bring a sweater!
Be Smart
Are You Afraid of Holes?
Honeycomb. Strawberries. Flower pods. Some people find these things incredibly scary. We call this extreme fear trypophobia. But why does it exist?
Be Smart
How Blind People See With Sound… with @MollyBurkeOfficial!
I met Molly Burke a few months ago. She’s awesome. I absolutely love what she’s done on YouTube to bring awareness to living with disability, and turning it into ability. And her guide dog Gallop is awesome too! When Molly and I first...
SciShow
Was The Apollo Mission a Mistake? | A SciShow Documentary
The Apollo program was famous for being risky and expensive. It sent multiple daring astronauts to the moon, but had a crunched timeline, and lacked modern tech. In this special episode of SciShow, we'll be discussing... was the Apollo...
TED Talks
TED: The danger and devotion of fighting for women in Afghanistan | Tamana Ayazi and Kat Craig
The women of Afghanistan are being persecuted under Taliban rule, but they're not standing down. Filmmaker Tamana Ayazi chronicles the harrowing reality of one women's rights advocate -- Zarifa Ghafari, Afghanistan's youngest female...
Crash Course
Experimental and Documentary Films: Crash Course Film History
It's Craig's last episode of Film and in it he's going to talk about weird stuff... and real stuff. Experimental and Documentary films could each take up their own Crash Course series. The different styles and intents of different...
SciShow
Do You Need 10,000 Steps a Day?
There are a whole lot of people out there who have bought into the notion that, in order to be physically fit, you should aim for taking 10,000 steps a day. But where did this idea come from, and how did we all agree on this magical,...
SciShow
Vanessa Hill of BrainCraft & Sugar Gliders | SciShow Talk Show
Vanessa Hill of BrainCraft shares her science YouTube story with Hank and reveals a big announcement! Jessi from Animal Wonders and a special Australian friend or two join in the second half.
Crash Course
The Eagle Huntress: Crash Course Film Criticism
During our Film History and Production series, we talked about how Film is an "Illusion of Reality." That filmmakers use shots, cuts, and narrative structure to trick us into believing what we're seeing. But, what happens when that...
Crash Course
100 Years of Solitude Part 2: Crash Course Literature 307
In which we continue our exhaustive look at One Hundred Years of Solitude by Gabriel Garcia Marquez.
SciShow
3 Facts About Lemmings
Lemmings are small, thickset vole-like animals that live in the Arctic tundra. They live in a harsh environment, are super-cute, kinda mean, and totally misunderstood.
Be Smart
Do Fish Pee?
You know you’ve wondered. Do fish actually pee? And what does that make the ocean… one big toilet?
SciShow
How We Know Star Wars Isn’t A Documentary | Compilation
Plot often trumps reality when portraying space in movies and, as a result, many films are full of inaccuracies. So how much fiction is actually written into some of our favorite movies? Movies mentioned (and potentially spoiled) in this...
Curated Video
What was the Secret Weapon of the Carthaginian Empire?
What was the Secret Weapon of the Carthaginian Empire?
Curated Video
How did the Fatimids conquer Egypt? A pivotal moment in Islamic History DOCUMENTARY
How did the Fatimids conquer Egypt? A pivotal moment in Islamic History DOCUMENTARY
Curated Video
Second Battle of Philippi, 42 BC Rise of Caesar Augustus (Part 5) Ancient History DOCUMENTARY
Second Battle of Philippi, 42 BC Rise of Caesar Augustus (Part 5) Ancient History DOCUMENTARY