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...

Pi day (3.14) is Albert Einstein's Birthday! To celebrate, we'll explain 4 of his most groundbreaking papers from 1905, when he was just 26 years old.

An amazing new technology will let scientists grow new kidneys for patients using their own stem cells inside of pigs.

Poop Transplants!

Squeaks, Jessi, and the gang are all going on vacation to the lake, but there's a problem. Our friend Juniper needs a boat, and ours is missing! Jessi proposes we think like engineers and gather information to find a way to solve our...

In 1970, neurosurgeon Robert White and his team carted two monkeys into an operating room to conduct an ambitious experiment. The objective was to connect the head of Monkey A to the body of Monkey B, in what he considered a whole-body...

Under certain conditions, the idea of a dictator can sound appealing, like when a democracy isn’t functioning as it should due to corruption or political polarization. People may believe the solution is a "benevolent dictator"— a leader...

The way we raise animals is destructive to humans, animals and the environment, says cardiologist and entrepreneur Uma Valeti. He presents a solution that doesn't require you to give up your favorite protein-packed meals: cultivated...

We can't get rid of anxiety and depression, so we might as well talk about it, says depression truth-teller Adam Whybrew. Sharing his own experience with mental illness, he reveals the surprising benefits of opening up about stress at...

US democracy needs repair — and care is the answer, says author adrienne maree brown in conversation with writer and activist Baratunde Thurston. In a sweeping discussion on what it means to be an active citizen, they unpack how to...

Biomedical researcher Sonia Vallabh's life was turned upside down when she learned she had the genetic mutation for a rare and fatal illness, prion disease, that could strike at any time. Thirteen years later, her search for a cure has...

What if you could code just by talking out loud? GitHub CEO Thomas Dohmke shows how, thanks to AI, the barrier to entry to coding is rapidly disappearing — and creating software is becoming as simple (and joyful) as building LEGO. In a...

There's a group trying to save the functionally extinct northern white rhino using in vitro fertilization. But the ethics around using assisted reproductive technologies to save endangered animals are far from simple.

After the Chernobyl Disaster, researchers have been studying the movement of radioactive contamination all over central Europe. Fortunately, that radioactive contamination is decreasing in just about every living thing, except for one...

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.

We can get to Mars in 3 days, . . .sort of, maybe. In this episode of SciShow Space Reid Reimers explains the possibilities of photonic propulsion in use with space travel.

In Noah Feldman’s latest book, “To Be A Jew Today,” the Harvard Law professor turns his focus to his own faith in order to understand identity, politics and culture. Feldman sits down with Amna Nawaz to discuss Jews’ relationship to...

Artist Laetitia Ky has a unique medium: using the hair on her head (and some wire), she creates incredible sculptures of objects, animals, people and more, promoting messages of bodily autonomy and self-acceptance. She shares how she...

It's a bird, it's a plane, it's a... peach emoji? The Airlander 10 is the world's biggest currently operational aircraft, and though it won't be setting any speed records, it may hold the key to greener, more sustainable commercial and...

If you’re a fan of avocados, you might have heard that they only exist thanks to prehistoric creatures called giant ground sloths. In fact, you’ve probably heard that from us. But as it turns out, the real story is way more complicated -...

There's a few minerals that exhibit something called piezoelectricity and pyroelectricity, which mean that either heat or pressure can turn them electric. Here's a demo from the SciShow Rocks Box where you can see this for yourself - all...

Guaranteed basic income, the concept of no-strings-attached payments to provide people with a financial floor, is being tested in dozens of pilot programs across the country. Stockton, California was one of the first cities to launch a...

All this year, Judy Woodruff has been exploring the deep divisions we see playing out every day in the country. She’s distilled much of that reporting into a special airing Tuesday night on PBS. For that, she recently sat down with a...

Jessi and Squeaks enjoy the winter season by constructing a model of the Fort out of gingerbread!<br/>