Channel Videos from SciShow

Kids, Kawasaki Disease, and COVID-19: What Parents Should Know
64,319 views - 06/01/20
While children are only a small minority of those who test positive for COVID-19, we’re starting to see evidence of a rare, but serious,...
4 Algorithms We Borrowed from Nature
120,003 views - 05/31/20
We use algorithms every day for things like image searches, predictive text, and securing sensitive data. Algorithms show up all over...
Active Volcanoes: The Perfect Egg Incubators
96,238 views - 05/30/20
SciShow is supported by Go to to get 20% off of an annual Premium subscription. You...
How a Century-Old Procedure Could Help Us Fight COVID-19
88,353 views - 05/29/20
Some potentially good news on the COVID-19 treatment front: Thanks to a technique that’s more than a century old, recovered COVID-19...
The Little Lobster That Reveals Climate
87,669 views - 05/28/20
Thanks again to the Monterey Bay Aquarium for partnering with us on this episode of SciShow. The Aquarium’s mission is to inspire...
How to Make a COVID-19 Vaccine
88,408 views - 05/27/20
One year to eighteen months might seem like a while to wait for a COVID-19 vaccine, but there's a good reason finding and approving a...
The Plant That Grows Perches for Birds
87,272 views - 05/26/20
The rat's tail plant, or Babiana ringens earns its name for the distinct stem that grows above its flowers. But what's the purpose of...
Fighting COVID-19 With... Llamas?!
170,593 views - 05/26/20
Scientists have been researching whether or not antibodies from COVID-19 patients might help those infected with the virus, and one study...
5 Inventions Showing Us the Future of Solar Energy
215,738 views - 05/24/20
When you imagine the energy of the future, solar power is probably in the picture – but in recent years, less than 2% of the world’s...
Why Killer Whales Migrate (It's Not Why You Think)
109,489 views - 05/23/20
Killer whales migrate thousands of kilometers across oceans, because it's good for their skin? Hosted by: Hank Green SciShow has a...
From Showers to Sleep: Science Hacks for Your Everyday Life
240,044 views - 05/21/20
From calories to sleep, there always seems to be something we're not doing right. Luckily scientists have looked into this and come up...
Will COVID-19 Go Away in the Summer?
321,843 views - 05/20/20
SciShow is supported by Go to to get 20% off of an annual Premium subscription. COVID-19...
How Sea Butterflies Fly in Water
100,900 views - 05/19/20
Check out Nature: Spy in the Wild 2 on PBS ( to follow more than 50 animatronic spy creatures as they go...
Hydrogen: The Savior of the Shipping Industry
199,381 views - 05/18/20
To learn more about the fight to stop climate change go to Thanks to Bill Gates and Breakthrough Energy for...
We Can't Live Without You | Synanthropic Animals
162,461 views - 05/17/20
From the spider in the corner of your house, to the moths in your attic, synanthropic species don't just live among us, they literally...
Meet the Jellybots: Ocean-Exploring Biohybrid Robots
127,165 views - 05/16/20
As far-fetched and futuristic as it might sound, researchers are working on turning jellyfish into ocean-exploring robots. Hosted by:...
There Probably Aren't Different Strains of SARS-CoV-2 (Yet)
185,278 views - 05/15/20
Scientists are closely watching SARS-CoV-2 to track mutations and see if it's developed into different strains. So, has it? COVID-19...
What Will the World Look Like, 2°C Warmer?
253,996 views - 05/14/20
A world only 2°C warmer, or 3.6°F, would be one that is much different than the world we live in today, but what does that actually look...
3 Ways You Can Join the Citizen Scientists Fighting COVID-19
81,368 views - 05/14/20
Go to to try their Statistics Fundamentals course. The first 200 subscribers get 20% off an annual Premium...
What Does Carbonated Water Do to Your Body?
354,081 views - 05/12/20
Go to to try out Brilliant’s Daily Challenges. The first 200 subscribers get 20% off an annual Premium...
Cement: A Really Hard Problem
280,529 views - 05/11/20
To learn more about the fight to stop climate change go to Thanks to Bill Gates and Breakthrough Energy for...
5 Clues to Earth's Climate History
101,750 views - 05/11/20
As Earth’s climate changes, one of the hardest things to figure out is exactly how the planet will change in response. And while we can’t...
Does Hand Sanitizer Create Superbugs?
192,206 views - 05/09/20
Alcohol-based hand sanitizers are an effective way to kill a myriad of potentially harmful microbes. But is there a risk of germs...
We May Have a COVID Vaccine in 2021, But Not Without Taking Risks
216,804 views - 05/08/20
Go to to try their Calculus in a Nutshell course. The first 200 subscribers get 20% off an annual Premium...
From Old-School Gardening to the Future of Food
301,576 views - 05/07/20
From the starter plants in your window to giant agriculture, there's a lot of science to cover before dinner. Hosted by: Michael Aranda...
Why It's Good for COVID-19 Models to Be Wrong
151,937 views - 05/06/20
As we react to the predictions that epidemiological models make, changing the ways we act and go about our lives, those estimates can...
Brittle Stars Could Teach Robots To See With Their Skin
96,351 views - 05/06/20
Go to to try their Algorithm Fundamentals course. The first 200 subscribers get 20% off an annual Premium...
We May Have Solved Our Burping Cows Problem
155,124 views - 05/04/20
When a bunch of cows burp they can exhale a lot of methane that affects the global warming problem. Researchers are working on finding...
Robot Surgeons and 4 Other Medical Advances That Sound Like Sci-Fi
149,702 views - 05/03/20
Modern medicine is wonderful, but even in a world where open-heart surgery and brain-scanning headsets sound almost mundane, some medical...
The Really Important Reason Your Lungs Have Taste Receptors
179,173 views - 05/02/20
Scientists believe that your taste receptors are meant for taste, but how do they explain the taste receptors on your lungs? Hosted by:...
Why Is This Virus So Contagious?
273,770 views - 05/01/20
SARS-CoV-2 is super contagious, and researchers don’t yet know all the reasons why. But by comparing this new virus to the similar one...
Megatsunamis: World's Biggest Wave
357,927 views - 04/30/20
Megatsunamis are not only much larger than your average tsunami, they also form under different conditions. Good news: they're extremely...
How Science Is Trying to Understand Consciousness
316,121 views - 04/29/20
Thanks to LastPass for sponsoring a portion of this video. Click here to start using LastPass:...
Why Do Fetuses Kick So Much?
111,113 views - 04/29/20
The feeling of a kicking fetus is perhaps one of the more fun parts of having a baby, but these movements serve a purpose well beyond...
Does Getting COVID-19 Make You Immune to It? | SciShow News
518,680 views - 04/27/20
Like a common cold or a cold sore, would it be possible to get a reinfection of COVID-19? Would we be able to build up long-term...
Crabs, Cockroaches, and 3 Other Pollinators That Aren't Bees
151,089 views - 04/26/20
Bees aren’t the only pollinators out there. Some of the other, more surprising pollinators aren't just unconventional, they give us...
The Strange Blind Fish of the Lower Congo River
147,682 views - 04/25/20
The lower Congo River is treacherous, turbulent, and very deep. While that might seem like an inhospitable habitat, hundreds of species...
Why Don't We Have Better and Faster COVID-19 Tests? | SciShow News
232,488 views - 04/24/20
The next wave of COVID tests take advantage of some really cool molecular biology. They can be run by hospitals and doctors on-site, and...
What If the Large Hadron Collider Made a Black Hole?
662,980 views - 04/23/20
Making a black hole in a particle accelerator sounds… a bit dangerous, to say the least, but scientists think that it could be possible!...
3 Unexpected Effects of Plastic Pollution
205,001 views - 04/22/20
You probably already knew that plastic can be bad, but scientists have taken a closer look, and found out it can be bad in surprising...
The Little Apple of Death
383,912 views - 04/21/20
If you find some trees with little apple-like fruits by the ocean, beware! It might be a Manchineel, the world's most dangerous tree....
How Extreme Microbes Are Helping Us Test for COVID-19
126,720 views - 04/20/20
Microbes that live in extreme environments, like geysers and hydrothermal vents, are able to survive in extreme temperatures. Scientists...
5 Ecosystems Thriving in the Least Likely Places
248,646 views - 04/19/20
Around the world, living things have managed to build truly extraordinary ecosystems in some of the last places you would think to look....
How Cold Can Earth Get?
194,154 views - 04/18/20
These days it seems almost trivial to cool atoms down to near absolute zero temperatures in a lab, but what is the lowest possible...
Our Best Bets for Treating COVID-19
329,662 views - 04/17/20
About a combination of chloroquine and hydroxychloroquine: our COVID-19 playlist:...
The Most Incredible Octopus You’ve Never Heard of: The Blanket Octopus
395,779 views - 04/16/20
All octopuses start out as teeny, tiny plankton, and most grow up to settle down on the seafloor. The blanket octopus, however, never...
Why Gooey Creatures Might Outlast Us All
161,602 views - 04/15/20
Although gelatinous animals might seem like simple creatures, they'll probably outlast the rest of us, because being gelatinous might...
The Delightful Mutation Behind Siamese Cats
456,827 views - 04/14/20
It's easy to assume a cat's coat pattern is based exclusively on genetics, but that isn't entirely the case for Siamese cats. Their...
Why the New Face Mask Recommendations? | SciShow News
372,396 views - 04/13/20
On April 3rd, the U.S. Centers for Disease Control and Prevention started recommending that people wear a mask over their face when they...
4 Ways Humans Are Still Evolving
450,847 views - 04/12/20
When we think about evolution, we typically think about big changes that happened long ago, but we humans are still evolving! Hosted by:...
How Upside-Down Jellies Sting You Without Touching You
163,944 views - 04/11/20
This jellyfish might look kind of unassuming, but it's got some surprising long-range weaponry to catch its prey! Thanks to Cheryl Ames...
Hydroxychloroquine and COVID-19: What We Know Right Now | SciShow News
619,139 views - 04/10/20
You might have heard that we found a cure for the COVID-19, and that it comes from a drug we've used for centuries. But let's take a...
The Lost City and the Origin of Life | Weird Places
169,402 views - 04/09/20
Hydrothermal vents are some of the most extreme environments on the planet. But in 2000, scientists discovered a vent unlike any other,...
The Microscope That Uses Quantum Physics to Trace Atoms
285,770 views - 04/08/20
In the late 1970s, two physicists in Switzerland set out to invent a new type of microscope using quantum physics that would allow them...
Antlers: The Secret to Deer's Cancer-Fighting Superpowers
117,436 views - 04/07/20
Antler cells divide really fast, and with their super-fast growth, antlers resemble tumors in some ways. But animals in the deer family...
3 Reasons Animals Puke Their Guts Out (Literally)
109,929 views - 04/06/20
For most of us, the term "puke your guts out" isn't meant to taken literally. But for these animals, it's kind of useful. Hosted by:...
5 Dinosaur Dinners and What They Told Us
223,973 views - 04/05/20
"When it comes to extinct creatures like dinosaurs, it can be tough to know for sure what they actually ate. And we’d like to know...
The Only Animal That Can't Breathe Oxygen
269,977 views - 04/04/20
Oxygen is so essential for animals that every multicellular species we’ve ever studied has the ability to use oxygen to create energy......
Is This Coronavirus, or Just Allergies? Symptoms of COVID-19
1,022,265 views - 04/03/20
A lot of people with coughs or fevers might be stressing out these days because they are worried that they have COVID-19. But with cold...
Masks? Handwashing? Sanitizer? — How to Protect Yourself from Coronaviruses
155,351 views - 04/02/20
Today, we all do our best to protect ourselves from coronaviruses. But a lot of what people are doing doesn’t really help, and it could...
5 Things You Were Taught Wrong in Elementary School | Compilation
481,287 views - 04/02/20
When you’re learning about science for the first time, it can be easier to break things down into a simpler form, and you can end up with...
This Tree Oozes Metal Sap
255,939 views - 03/31/20
In the South Pacific, there is a rare tree so rich in metal that its sap runs blue. Hosted by: Olivia Gordon SciShow has a spinoff...
How Hyraxes Preserve the Past in Poo
71,411 views - 03/30/20
Scientists who piece together our past can do so through the rare fossil or artifact, or they can go to one convenient location: a hyrax...
4 Animals That Don’t Have Resident Gut Microbiomes
194,179 views - 03/29/20
We humans couldn’t live without our gut microbes, but not all animals rely on microscopic digestive communities like we do. And...
The Virtually-Unkillable Virus That Makes Itself a Nucleus
251,648 views - 03/28/20
In 2017, scientists discovered what appeared to be an unkillable virus that does something very un-virus-like... it builds its own...
This Worm-y Critter Is (Probably) Our Oldest Ancestor | SciShow News
198,515 views - 03/27/20
Newly described wormlike fossils dating back over half a billion years might be our oldest ancestors, and researchers have mapped and...
The Surprisingly Retro Future of Batteries
253,573 views - 03/26/20
Renewable energy may be the way of the future, but in order to store that energy to make our grids more sustainable, we might need to...
Why Do Bats Carry So Many Dangerous Diseases?
864,827 views - 03/25/20
Bats are amazing and not just because they're the only mammal that can fly! But they also carry a lot of diseases that are dangerous to...
This Old Sailors’ Mystery Could Help Save Swimmers
182,237 views - 03/24/20
For thousands of years, sailors have been telling stories of a mysterious phenomenon called dead water. Even after scientists figured...
The Dark History of Matches
395,392 views - 03/23/20
When we began mass-producing matches in the 1800s, workers in the factories started dying mysteriously. The history of our sparking...
6 Things We Still Don't Know About Earth
491,481 views - 03/22/20
The earth is our home, and while we like to think we know a good deal about it, there are still some mysteries that scientists are...
The Wild Reasons Many Older People Wake Up So Early
246,297 views - 03/21/20
You might think your grandma who wakes up at 4am just needs less sleep than younger people. Not so! Studies suggest there are some...
A Very Handy Fish Fossil
134,724 views - 03/20/20
This week, scientists discover something in a fish fossil that might give us a hand in finding our earliest land-dwelling ancestors. Go...
Why Animals Take Care of Other Animals' Young
181,442 views - 03/19/20
Thank you to the Monterey Bay Aquarium for partnering with us on this episode of SciShow. Visit...
How Washington Became a Ship Graveyard: A SciShow Field Trip #3
433,652 views - 03/18/20
Thanks to Subaru for partnering with us on this episode. Head to to learn more about the all-new...
Where Are All the Tiny Dinosaurs?
161,695 views - 03/17/20
What was the smallest non-avian dinosaur, and why were there so few tiny dinos running around the Mesozoic? Hosted by: Stefan Chin...
Why Scientists Keep Trying to Break This 18th Century Law
374,066 views - 03/16/20
It’s usually not a great idea to break laws, but breaking the laws of science is an exception! In fact, it’s often how we make progress....
4 High-Tech Ways To Stop Wildfires (And 1 Low-Tech One)
94,496 views - 03/15/20
Thanks to climate change, many regions are experiencing longer and more dangerous wildfire seasons. Here are 4 high-tech ways we are...
These Trees Eat Salmon!
223,635 views - 03/14/20
Fish-eating trees sound like they’re straight out of science fiction. But they’re a real thing—one that exists right here on Earth. And...
How Dangerous is COVID-19? | SciShow News
885,100 views - 03/14/20
You may have heard several different projections about the fatality rate of COVID-19. How do different health organizations come up with...
How Green Energy Could Bring More Rain to Africa
161,289 views - 03/12/20
Africa’s Sahara desert is a prime location, some say, to build arrays of solar panels and wind turbines. But scientists are aware that...
The Ancient Island That Transformed Washington: A SciShow Field Trip #2
554,624 views - 03/11/20
Thanks to Subaru for partnering with us on this episode. Head to to learn more about the all-new...
Good News: Daffodils Are The Worst
180,745 views - 03/10/20
Daffodils are cheerful symbols of spring… and also cold blooded killers. But it turns out, the poison in these plants may actually be...
North America's Lost Parrot
148,244 views - 03/09/20
When you picture a parrot, you probably don’t picture Denver, but up until about a century ago, the United States was home to its very...
5 of the Most Important Inventions in Robotics
242,384 views - 03/08/20
A lot of robots are developed to physically replicate our actions and behavior, like a bipedal, balanced walk, a large range of motion,...
This Worm's Gut Has No Way In or Out
176,260 views - 03/07/20
There are plenty of creatures out there with only one opening to handle both taking in food and getting rid of waste. But there’s at...
Is COVID-19 a Pandemic? | March 2020 Update
846,739 views - 03/06/20
SARS-CoV-2 is a new kind of coronavirus that appeared suddenly in late 2019. The disease it causes, called COVID-19, is now showing signs...
3 Extreme Ways Trees Survive the Winter
208,365 views - 03/05/20
Animals have all kinds of adaptations to help them get through winter, from hibernation to boots and hats. But trees have to make it...
The Riddle of Washington’s Mt. Olympus: A SciShow Field Trip #1
1,117,626 views - 03/04/20
Thanks to Subaru for partnering with us on this episode. Head to to learn more about the all-new...
Attack of the Brain-Eating Killer Songbirds
134,468 views - 03/03/20
Zombies aren't coming for you brains, but for an unfortunate species of bats, the terror of seemingly sweet songbirds developing a taste...
This Problem Could Break Cryptography
270,776 views - 03/03/20
What if, no matter how strong your password was, a hacker could crack it just as easily as you can type it? In fact, what if all sorts of...
7 Ways We Know What's Inside the Earth
337,843 views - 03/01/20
"Thanks to some amazing scientific insights, we know a lot about the interior of our planet - even though we’ve never even made it...
Let it Snow! The First Direct Measure of Cloud Seeding | SciShow News
110,193 views - 02/28/20
Do you remember longing for a snow day so you could get out of school? Scientists have found evidence that a decades old technique might...
Why Can't Kids Just Take Smaller Doses of Adult Meds?
168,095 views - 02/27/20
You might have noticed that lots of drugs have special children’s formulas, and you might think that’s because smaller people need...
Why Do People Say We've Reached the End of Physics?
578,649 views - 02/26/20
Our fundamental picture of the universe seems pretty nearly complete these days, to the point that some people are suggesting that we’ve...
Water Is WAY Weirder Than We Thought
476,979 views - 02/25/20
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. But it...
What Makes Fruit Mealy?
163,398 views - 02/25/20
Did you ever have a delicious looking apple in your hands and bite in only to find it all grainy and sad? It's not the fruit's fault, and...
6 Microbes Saving the Environment
215,623 views - 02/23/20
Ever since humans found out about germs, we’ve gone a bit overboard inventing antibacterial soap and antibiotics and antifungals. But...
Dinosaurs Probably Weren't Cold-Blooded, According to Eggshells
147,457 views - 02/21/20
Scientists can find answers in some pretty unusual places, and recently they found some evidence that dinosaurs weren't cold-blooded by...
What Animal Dominates Earth?
174,690 views - 02/20/20
There is a group of animals with more species than any other group, but Earth has such an astonishing variety of life that figuring out...
Do Fish Dream?
125,238 views - 02/18/20
It’s easy to look at a sleeping dog’s leg twitching and imagine that it’s having a wonderful rabbit-chasing dream. But can animals with...