Be Smart
There's No Such Thing As Cold
You've felt cold before. Sometimes it's cold outside. But what if I told you that "cold" isn't real? There's no substance or quantity called "cold" in science. We can't measure the amount of "cold" in something. Instead it's about what's...
SciShow
World's Most Asked Questions Ten of YOUR Most Asked Questions!
SciShow answers ten of the most asked questions by YOU, our viewers, in the past month -- from “What is new car smell?” to “What would happen if you drilled a hole through the planet?”
SciShow
Does a Strong Immune System Make Colds Worse?
Not everyone who is infected by a cold virus actually shows symptoms. In fact, people who seem to experience symptoms like a sore throat and stuffy nose more often may actually have more robust immune systems!
SciShow
Why Is Autumn More Vivid in New England?
During autumn in the northeastern US, deciduous trees sport a stunning display of yellows, oranges, and reds. But in some places, like Europe, autumn tends to look much more yellow. So why is it that only certain parts of the world get...
SciShow
Why Is My Tongue Stuck to This Flagpole?
First of all, DON'T DO IT! But if you WERE to stick your tongue to a cold flagpole, why would it stick?
SciShow Kids
Why Do We Get Vaccines?
Jessi is about to go to the doctor's to get a vaccine and she's sort of nervous. But she knows that vaccines are really important, so she learned all about how they help us stay healthy! Now she wants to share what she learned with you!
Crash Course
Blood Vessels, part 1 - Form and Function: Crash Course A&P
Now that we've discussed blood, we're beginning our look at how it gets around your body. Today Hank explains your blood vessels and their basic three-layer structure of your blood vessels. We're also going over how those structures...
SciShow Kids
What Would We Eat on Mars? | Let's Explore Mars! | SciShow Kids
Sam the bat would love to visit Mars one day, but he's going to need more than a few sandwiches if he's going to stay for long.
SciShow
Will There Ever be a Cure for the Common Cold?
Medicine has made leaps and bounds in treating illnesses in the last century, but are they ever going to get around to curing the common cold? We might be closer than you think.
SciShow
The "Disease" That Struck Medieval Church Organs
During long, cold winters in medieval Europe, church organs grew gray, sickly-looking circles that spread over their pipes. People back then believed that this was the work of the devil, but as it turns out, it’s just some pretty simple...
Crash Course
How do we Classify Climates? Crash Course Geography
From gnocchi and salchipapas to potato chips and french fries, it seems like every cuisine around the world has embraced the potato! And this humble tuber did not originate in Ireland or France, but near Lake Titicaca near the border of...
SciShow
How a Blizzard Creates Thundersnow
Thunder is not something you normally associate with a winter storm. However, if the conditions are right, you might experience thundersnow.
SciShow Kids
Why Do Animals Have Whiskers? | Amazing Animal Senses | SciShow Kids
Squeaks and Mister Brown are learning about senses! Did you know that animals that have whiskers can use them to sense things? First Grade Next Generation Science Standards Crosscutting Concept: Structure and Function: The way an object...
TED-Ed
TED-ED: Tracking grizzly bears from space - David Laskin
Grizzly bears stick to a mostly vegetarian diet in sync with plant growing seasons. However, as grizzlies' habitats grow smaller, food is harder to come by. Using NASA satellites, scientists track the shifting, interrelated patterns of...
SciShow
Why Does Sugar Make My Teeth Hurt?
Picture this: you're gorging on leftover Halloween candy. You take a bite of a fun-size chocolate bar and instead of sugary goodness, you get a flash of blinding pain in your tooth! What's the deal?
SciShow Kids
Why Does Water Hurt My Nose?
There's nothing better than going for a swim on a hot summer day! Sometimes, though, when you jump in the water, you might get a whole bunch of it up your nose! It's no fun, but why exactly does it hurt so much?
TED-Ed
TED-ED: The otherworldly creatures in the ocean's deepest depths - Lidia Lins
About 60 percent of the ocean is a cold, dark region that spans down to 11,000 meters. This zone is known as the deep ocean, and though it seems like an inhospitable and remote corner of the planet, it is actually one of the greatest...
SciShow
Absolute Zero: Absolute Awesome
Hank explains absolute zero: -273.15 degrees Celsius - and the coldest place in the known universe may surprise you.
Crash Course
How Does Air Temperature Shape a Place Crash Course Geography
Today, we’re going to visit Siberia and take a closer look at how temperatures there (and around the globe) impact the way cultures, communities, and landscapes form. Air temperature plays a much bigger role than just helping us decide...
SciShow
These Bats Make Tiny Snow Caves
One might not think that snow could help anything stay warm through a harsh winter, but these tiny bats have found a way to utilize the insulation provided by the snow: they make little forts to wait out the winter.
SciShow
What's Next for the James Webb Space Telescope
It finally happened! The James Webb Space Telescope is on its way to capturing never-before-seen images of the universe! But now that it’s airborne and unfurled, what are its next steps before it can deliver the goods?
SciShow
Bacteria and Viruses Are Raining Down on Us All the Time
While you probably aren’t going to get sick from just being outside in all this microbe rain, pathogenic organisms ARE raining down on us all the time, everywhere!
SciShow Kids
4 Amazing Science Experiments for a Day Inside | Compilation | SciShow Kids
Squeaks is very bored, so he shows Mister Brown some of his favorite rainy day experiments!