SciShow
What Happens to Your Body if You Drink Heavy Water?
What is heavy water, and is it safe to drink? Heavy water, or deuterium oxide, has some pretty important scientific applications. But what would happen to your body if you actually drank it? Hosted by Hank Green.
SciShow
What are Scars?
Almost everyone has a scar that tells a story, but have you ever wondered why exactly scars form in the first place?
SciShow
Are Those Really Blackheads?
Do you just hate those little bumps all over your nose? Don’t be a hater, they’re just doing their job! Learn how in this SciShow Quick Question.
SciShow
4 Billion Years in Under 10 Minutes
Have you ever wondered how our earth was created? Here is a brief history about the Earth.
SciShow
The Mysterious Origins of the Nucleus
The cell nucleus is crucial to multicellular life, so you think science would have a good idea how it evolved. The truth is, we don't, but Scientists do have some theories, including invading giant viruses!
SciShow
Is It COVID Or Is It Your Vape Juice?
Set against the backdrop of the COVID-19 pandemic, the rise of vaping-related lung injury over the past few years has complicated things since it can cause an uncannily similar host of symptoms to COVID-19. So, let’s take a closer look...
SciShow
The Erratic Behavior of Water
Water is one of the most abundant and important substances on Earth, so you think we'd know everything there is to know about it. Turns out, water is so much stranger and more complex than we ever thought! Join Olivia Gordon for a new...
SciShow
That Time North America Tried to Tear Itself Apart
Looking at a map, you would never know that North America once almost ripped itself in half. But 1.1 billion years ago, it tried to - and had it succeeded, there would now be an ocean where Lake Superior is!
SciShow
Engineering Plants That Fertilize Themselves to Save the World
Humans have relied on fertilizers to grow their plants for thousands of years. But the production of synthetic fertilizers also requires an immense amount of energy that comes primarily from fossil fuels and therefore contributes to...
SciShow
8 Structure Secrets of Gemstones
Gems are more than just pretty rocks! Hosted by: Michael Aranda
SciShow
5 Amazing Record-Breaking Caves
Caves are fascinating, but these ones are some of the most fascinating, both in and out of this world. Hosted by: Stefan Chin
SciShow
The 17+ Different Kinds of Ice!
Ice is ice, right? Wrong! From the vacuum of deep space to the inside of ice giant planets, ice gets stretched and squished into way more forms than what we find here on Earth.
SciShow
Sharknado Reloaded: Yep, Still Impossible
SciShow revisits Sharknado to discover the truth behind who would win in a battle between a tornado and a bomb. The answer... won't actually surprise you. But you might learn some interesting science along the way!
SciShow
Lead: The Original Artificial Sweetener
Lead is really useful when you add it to things like paint and gasoline. Problem is, it’s also poisonous. Hosted by: Hank Green
SciShow
How Trees Control the Weather
Who knew that a rainforest could be literal? Hosted by: Rose Bear Don't Walk (she/her)
SciShow
You're Losing Bones Right Now
You would think that almost everyone has the same exact number of bones in their body, but that number is different, and changing, in everyone!
SciShow
Will Pangea Form Again? The Next Supercontinent on Earth
Did you know that in about 200 million years, Earth is due for another supercontinent? What exactly that supercontinent will look like, though, depends on a lot of geological factors, and is harder to guess at than you might think!...
SciShow
Why You Can't Bake a Mason Jar
Regular old glass like the kind that makes up a mason jar can shatter and explode if put in the oven. But we do have types of glass that you can bake your pie or brownies in and it's all thanks to some neat chemical tricks.
SciShow
Why Is My Whiteboard So Dirty?
If you have an old, well-used whiteboard in your classroom, you might see something a little strange -- ghosts! But not the spooky, bust-able kind... these are the ghosts of lectures past!
SciShow
Why Does Hair Get Frizzy When It's Humid?
Thanks to Raycon for sponsoring this video. Go to http://buyraycon.com/scishow and check out some of their Black Friday and Cyber Monday deals!
SciShow
Why Isn't Cling Wrap as Good as It Used to Be?
Back in my day, cling wrap was so much better! Have you ever wondered why cling wrap doesn't seem to work as well as you remember it to? Hosted by: Michael Aranda
SciShow
Why Does Swiss Cheese Have Holes?
SciShow explains a) why Swiss cheese has holes, b) what Swiss cheese is called in Switzerland and c) what vested interest the U.S. government has in said cheese holes. Seriously, people.
SciShow
When Winter Gives Dead Branches Hair
What is this strange looking stuff? Is this branch just covered in fungus!? Well, it’s not fungus...but fungus DOES have something to do with it!