SciShow
Why Does Toothpaste Make Everything Taste Bad?
Have you ever noticed that toothpaste makes some yummy foods, like orange juice, taste awful? QQ explains!
SciShow
What Does Carbonated Water Do to Your Body?
We love carbonated drinks, but they also get a bad rap. What does bubbly water do to our body? Is it really bad for us?
TED-Ed
What causes cavities? - Mel Rosenberg
When a team of archeologists recently came across some 15,000-year-old human remains, they made an interesting discovery: the teeth of those ancient humans were riddled with holes. So what causes cavities, and how can we avoid them? Mel...
PBS
The Most Useful Fossils In The World
For decades, one of the most abundant kinds of fossils on Earth, numbering in the millions of specimens, was a mystery to paleontologists. But geologists discovered that these mysterious fossils could basically be used to tell time in...
SciShow
Why Biting Ice Cream Hurts So Bad
That intense shooting cold pain in the teeth when you bite into a cold ice cream cone just hits differently than, say, making a snowball with your bare hands. But what makes cold teeth feel so much more painful than cold skin?
SciShow Kids
Dig In To Paleontology
Would you like to spend all day thinking about dinosaurs? Well, some scientists do! Find out all about what it means to be a paleontologist!
SciShow
Not All Carnivores Eat Meat
The name of the order Carnivora means "meat-eaters," and while most of the members of Carnivora live up to that name, there is at least one cute and curious exception.
SciShow
5 of the Strangest Prehistoric Crocs
Over the years, scientists have found evidence for a lot of weird prehistoric animals, but some of the strangest have been the crocodyliformes! Chapters MOURASUCHUS: THE WHALE CROCS 1:26 KAPROSUCHUS: THE BOAR CROC 3:21 ARMADILLOSUCHUS:...
TED Talks
The hidden history found in your teeth | Carolyn Freiwald
Your teeth carry secrets: centuries of history about your ancestors, from where they lived to what they ate and where they traveled. Bioarchaeologist Carolyn Freiwald traces the story of human migration across the Americas -- from Mayan...
SciShow Kids
Why do We Brush Our Teeth?
We all need to do it! Learn why we all should brush our teeth, and how brushing keeps our teeth strong and healthy!
Be Smart
How Habits are Formed
Got a bad habit you just can't seem to break? That's because it's literally wired into your brain. Every single thought, action, and feeling changes your brain. When repeated enough times, a habit is formed. This week we'll talk about...
TED Talks
Jennifer Vail: The science of friction -- and its surprising impact on our lives
Tribology: it's a funny-sounding word you might not have heard before, but it could change how you see and interact with the physical world, says mechanical engineer Jennifer Vail. Offering lessons from tribology -- the study of friction...
SciShow
Teratomas: What Tumors with Teeth Can Teach Us About Stem Cells
There’s one kind of tumor that’s basically straight out of a horror movie...
TED-Ed
TED-Ed: Fresh water scarcity: An introduction to the problem - Christiana Z. Peppard
Fresh water is essential for life -- and there's not nearly enough of it for the world right now. Why is that, and what could we do? Christiana Z. Peppard lays out the big questions of our global water problem. And no, shorter showers...
SciShow
Why Is Fluoride Good for Teeth?
If our teeth are made mostly of calcium, why do we use fluoride to keep them healthy? Quick Questions explains why, and how we finally figured it out.
SciShow
Squid Proteins, but Make Them Fashion
Humans often take inspiration from nature when coming up with inventions, and this includes breakthroughs in fabric design that help to forward the fabulous and functional world of fashion.
SciShow
How Does Activated Charcoal Work?
You may know it as a miracle powder or an ice cream flavor, but activated charcoal can do some pretty cool stuff.
SciShow
How Birds Got (And Kept) Their Beaks
Birds are known for having beaks, however at what point between being a humongous therapod and tiny sparrow did they get them, and why?
SciShow
Dire Wolves Were Real! But Not Wolves
When you hear the words dire wolf, your mind might jump to Game of Thrones or Dungeons and Dragons, but dire wolves are not just in the realm of fantasy and fiction. They were real animals that lived during the last Ice Age, and we're...
SciShow Kids
Frog or Toad?
Frogs are really cool! They can jump high, swim fast, and their skin is super slimy! But frogs have some less-slimy, less-hoppy relatives that are just as cool: toads! Join Jessi and squeaks to learn the big and little differences...
PBS
An Illustrated History of Dinosaurs
Our image of dinosaurs has been constantly changing since naturalists started studying them about 350 years ago. Taken together, these pictures can tell us a whole lot about just how much we have learned. Let's explore the history of...
PBS
When Birds Had Teeth
Experts are still arguing over whether Archaeopteryx was a true bird, or a paravian dinosaur, or some other kind of dino. But regardless of what side you're on, how did this fascinating, bird-like animal relate to today's birds? It turns...
TED-Ed
What causes bad breath? - Mel Rosenberg
Halitosis is a curse that has plagued humanity since ancient times. But what causes it, and why is it so universally terrifying? Mel Rosenberg outlines the basics of bad breath and what you can do when it strikes you.