Crash Course
Who Started World War I: Crash Course World History 210
In which John Green teaches you WHY World War I started. Or tries to anyway. With this kind of thing, it's kind of hard to assign blame to any one of the nations involved. Did the fault lie with Austria-Hungary? Germany? Russia? Julius...
TED Talks
TED: The hidden danger of lead in soil | Yvette Cabrera
There's an invisible health threat right under our feet, says investigative journalist Yvette Cabrera. She digs into the pervasive problem of lead contamination in soil — a particular risk for children in cities — and shares her action...
TED Talks
TED: Your right to repair AI systems | Rumman Chowdhury
For AI to achieve its full potential, non-experts need to contribute to its development, says Rumman Chowdhury, CEO and cofounder of Humane Intelligence. She shares how the right-to-repair movement of consumer electronics provides a...
SciShow
Why Does Everything Decay Into Lead
If you look at a copy of the periodic table, you might notice that basically every element after lead is labelled as radioactive. And the vast majority of those elements wind up decaying into some version of lead eventually. But why is...
SciShow
The First CRISPR Gene Therapy Is Here
CRISPR is a powerful gene editing tool, but its uses have been purely scientific until now. In 2023, US and UK drug regulators including the FDA approved Casgevy, a CRISPR/Cas9-based therapy for sickle cell disease and beta-thalassemia....
SciShow
The Metal Claw Hiding in Your Food
Have you ever seen "calcium disodium EDTA" on an ingredients label and wondered what it's doing in your food? As it turns out, ethylenediamene triacetate is an important preservative that's helping to preserve your food. It's totally...
SciShow
How Do We Know How Old the Earth Is?
In the wake of World War 2, Clair Patterson embarked on a scientific quest to find out how old the Earth really is. His hard work paid off, but it also revealed a modern danger.
MinuteEarth
How To Survive Poison
It’s not just how much you take in; it’s how fast your body can purge it.
TED-Ed
TED-Ed: Something weird is happening in our galaxy | Ashkbiz Danehkar
In 2010, NASA announced the discovery of a never-before-seen galactic object: two gigantic gaseous bubbles, each emanating an impressive 25,000 light years from the center of the Milky Way. Astronomers were perplexed: what created these...
SciShow
We Don’t Know Why Astronauts Get Motion Sick
A majority of modern astronauts experience any one of a suite of symptoms scientists collectively call Space Motion Sickness, or SMS. But despite knowing about it for nearly as long as humans have gone into space, we still don't know...
TED Talks
TED: The world's rarest diseases — and how they impact everyone | Anna Greka
Physician-scientist Anna Greka investigates the world's rarest genetic diseases, decoding the secrets of our cells through "molecular detective work." She explains how her team is using new, advanced technology to solve decades-old...
TED-Ed
TED-Ed: Why is this black square famous? | Allison Leigh
In 1915, an exhibition of radical artworks opened in Russia. Many pieces pushed the boundaries of form and style, but one was particularly controversial: Kazimir Malevich's "Black Square." Criticized as simple and uninspired, Malevich's...
TED Talks
TED: How your company can gain a global talent advantage | Johann Daniel Harnoss
If a diverse workforce makes a better company, why don't more businesses hire internationally? Innovation and migration strategist Johann Daniel Harnoss details the advantage of global talent and how to best build the systems and culture...
SciShow
Could a Perfume Ingredient Save ER Patients?
Sometimes, major injury causes blood loss that results in improper clotting, or coagulopathy. Some researchers think a compound used in perfume to create jasmine fragrances could help save these patients.
SciShow
Should We Be Raising Kids Barefoot?
While most of us only think about our shoes in terms of how they complete our outfits, there's a lot more impact that your choice of footwear can have on your life. Turns out that shoes can change how your feet grow and develop. So is it...
SciShow
How to See Inside Anything
You might think of x-rays as the go-to particle to see through solid objects. But there's a subatomic particle out there that can see through everything from volcanos to lead shielding in nuclear reactors. It's called a muon, and...
SciShow
A Brief History of Birth Control
Gym teacher Hank gives us the full story of the past, present, and future of birth control.
SciShow
Why Don’t Jellyfish Look Like That?
When you think of a jellyfish, do you imagine an angelic stingy blob? That's just one stage of the life of a jelly!
SciShow
The Science of Anti-Vaccination
Fewer children in the United States are getting vaccinated. That’s bad news for those kids, and also for public health in general. Often, the response is to argue and debate and get angry at people who are we see as making terrible,...
SciShow
The Unexpected Connection Between Estrogen and Autism | SciShow News
There's a lot we don't understand about autism spectrum disorder, but this week scientists announced that they may have found a link between the disorder and elevated hormone levels.
SciShow
7 Organisms That Can Clean Toxic Waste
Toxic waste, by definition, is harmful to living things, but there are actually a bunch of plants, animals, fungi, and microbes that can help us clean it up! Hosted by: Olivia Gordon
SciShow
Scientists Had Some Bad Ideas | Scishow Quiz Show
Two YouTube musicians battle it out to see who shall sing a song of victory.
SciShow
The Best Atomic Clock Ever Built?
Turns out, two atomic clocks are indeed better than one. And what role does sleep play in memory suppression?
SciShow
8 Boss Invertebrates That Eat Whatever They Want
Even if you’re tiny, you can still be fierce. Here are 8 little invertebrates who punch above their weight class at dinner time.