SciShow
Why We'll Never Build a Perfect Clock
We can make clocks that keep accurate time for millions of years. We can also make clocks with such high resolution they tick one billion billion times per second. So why can't we make a clock that does both?
SciShow
Retinal Scanning is Changing Healthcare
Your optometrist can tell you if you're at risk for cardiovascular disease, Alzheimer's, or diabetes. And it's all thanks to James Bond-style retinal scanners.
SciShow
How Much of the Periodic Table is in YOU?
About 99.9% of your typical human body is made of just 11 elements from the periodic table. But hiding in that remaining 0.1% are some elements that do some very important jobs to keep you alive and healthy. Including some elements you...
SciShow
The Tiny T. rex Causing a Big Science Feud
You’ve heard of Tyrannosaurus rex, but did you know they might have a mini-cousin called Nanotyrannus? And that “might” is serious, because researchers have been arguing about it for nearly 40 years and still haven’t gotten to the bottom...
SciShow
The Universe’s Second, Bigger Bang
In 2023, a team of researchers proposed that our universe experienced not one, but TWO Big Bangs about a month apart from one another. The first for the stuff described by our Standard Model of Particle Physics. And the second for that...
SciShow
This Video Game Software Helps Us Do Paleontology
The same technology that helps you rack up kills in your favorite FPS games also helps paleontologists solve million-year-old mysteries. Thanks to Dr. Anne Kort for helping us with this video!
SciShow
Injured? Maybe Antlers Could Help
Scientists have recently discovered the cells responsible for a deer's amazing ability to regrow antlers in just a few months. It may be the key to healing human wounds and broken bones faster.
SciShow
How to Move a Mountain
Almost 50 million years ago, the biggest landslide in Earth's history occurred in Wyoming. An entire mountain slid 45 kilometers at one-third the speed of sound. But how could this happen when the slope was only 2 degrees?
SciShow
These Rocks Are ALIVE
This month, our SciShow Rocks Box subscribers are getting a really special treat -- a real, living, pet rock! These critters have been beloved companions for decades, and we're bringing you pet rocks from the original wild vein, meaning...
SciShow
New Oil Spill Clean Up Method, Guess What?
There are many conventional ways to treat oil spills, both at sea and on land, but some of the strangest include human hair and chicken manure.
SciShow
What's Your Cat Dreaming About?
If you've ever watched an animal sleep and wondered what they're dreaming about, science has the answers.
SciShow
These Scrolls Got Destroyed by a Volcano, But It’s Fine
The eruption of Mt Vesuvius buried the cities of Pompeii and Herculaneum, and one ancient library was burned to a crisp. However, scientists are now using machine learning and AI to decipher the writing on them and recover lost works of...
SciShow
Room Temperature Is A Lie
An entire field of science is dedicated to identifying the perfect indoor temperature. And it's a lot more complicated than simply setting the thermostat to 21 degrees Celsius (70 degrees Fahrenheit).
SciShow
How Pandas Got Such a Bad Reputation
Look, we've all heard the rumors that giant pandas are an evolutionary dead end. But we are here to set the record straight and show you that these adorable fluff balls are a lot tougher than they seem.
SciShow
Can an Equation Really Tell Us How Many Aliens Exist?
In 1961, the astronomer Frank Drake wrote down what is now known as the Drake Equation. It's so important to the culture surrounding the search for extraterrestrial life that scientists have carved it into the upcoming Europa Clipper...
SciShow
Why City Birds Love Cigarettes
Urban birds like house finches and house sparrows are great at finding materials to repel pests and parasites from their nests. Unfortunately, one of those materials is used cigarette butts.
SciShow
When Did We Start Getting Cavities?
You would think that without dentists and fluoride mouthwash, early humans would have terrible teeth. But tooth decay depends on access to sugars and starches -- meaning most early humans had decent teeth up until the Agricultural...
SciShow
These Animals Actually LIKE Getting Caught
Even when animal traps are humane, it seems pretty obvious that animals wouldn't want to get caught. But sometimes, there are oddballs that love getting trapped. Here's what we know about what can make some animals so darn trap happy.
SciShow
Inside the Nepal Earthquake
SciShow News explains the forces at work behind the earthquake in Nepal, introduces you to a new species of dinosaur, and reveals a discovery in Antarctica.
PBS
Grammy-Winning Teacher Annie Ray on the Importance of Music Education for All
The end of the school year often means year-end concerts for student orchestras and choirs. For high school music educator Annie Ray, it’s time to look back on a busy year that included a Grammy award and look ahead at her vision of what...
PBS
Indigenous School: The Future of Education
Walking through the hallways at the Native American Community Academy in Albuquerque, New Mexico, students see leaders and teachers like Arlyn John who share their cultural background. Joined by some of his students, he shares his Brief...
PBS
A Brief But Spectacular Take on Building Trust in School
Valor Collegiate Academy in Nashville encourages students to share what's going on in their lives and to accept support, creating what they call a community of care. We hear from high school teacher Natalie Nikitas and Valor students as...
PBS
How Teenagers' Lack of Sleep is Taking a Toll on Their Mental Health
Research has found that teenagers should be getting eight to ten hours of sleep every night. But many are sleeping far less than that and nearly one in four also suffer from insomnia. William Brangham reports on why it's so hard for so...
Crash Course
Booker T. Washington and W.E.B DuBois
As the 19th century gave way to the 20th, Black Americans were searching for ways to think about how and where they would fit into a post-slavery society. There were several competing schools of thought. Booker T. Washington and W.E.B....