Welcome back to Scishow Quizshow! In this episode Hank Green and Caitlin Hofmeister go head to head to compete for subbable subscribers.

Remote work, while redefining the workplace landscape, seems stuck behind endless video conference calls that hinder free-flowing conversation and collaboration. In the 21st century, is that really the best we can do? Digital...

Along with a crew of technologists and scientists, Jorge Soto is developing a simple, noninvasive, open-source test that looks for early signs of multiple forms of cancer. Onstage at TEDGlobal 2014, he demonstrates a working prototype of...

It's taken the work of many programmers to turn computers into something we carry in our pockets, and here are five (technically 10!) that we think you should be aware of.

Polio is almost completely eradicated. But as Bruce Aylward says: Almost isn't good enough with a disease this terrifying. Aylward lays out the plan to continue the scientific miracle that ended polio in most of the world -- and to snuff...

When the Taliban closed all the girls' schools in Afghanistan, Sakena Yacoobi set up new schools, in secret, educating thousands of women and men. In this fierce, funny talk, she tells the jaw-dropping story of two times when she was...

Da Vinci imagined a helicopter powered solely by human muscles. Now more than 500 years later, two teams are using advanced materials to try and make that dream come true. Hank and Catilin discuss these two teams and the Sikorsky Prize...

Featuring Katherine Green, Content and Social Media Manager for SciShow and also Hank's wife, and Quigley, the brush-tailed bettong or woylie.

Illustrious jugglers the Raspyni Brothers show off their uncanny balance, agility, coordination and willingness to sacrifice (others). Now, if you'll just stand completely still...

After the Lumiere brothers and Thomas Edison got the ball rolling with Vaudeville acts and Actualites, the time was coming for movie magic and fiction to make an appearance. The time was coming of filmmakers like Georges Melies and Alice...

Far too many Americans are illiterate in power — what it is, how it operates and why some people have it. As a result, those few who do understand power wield disproportionate influence over everyone else. "We need to make civics sexy...

In this episode of Crash Course History of Science, we travel to the Americas to ask the question, "When are we?" and get some answers. We'll look at the Maya, Inca, and Olmec civilizations and how they recorded their science.

This week, John Green continues to teach you about Margaret Atwood's speculative fiction, The Handmaid's Tale. In this installment, we're looking at Atwood's desire to tell a story from a female point of view, and what exactly it means...

Meet the "ems" -- machines that emulate human brains and can think, feel and work just like the brains they're copied from. Futurist and social scientist Robin Hanson describes a possible future when ems take over the global economy,...

In the pitch-black night, stung by jellyfish, choking on salt water, singing to herself, hallucinating … Diana Nyad just kept on swimming. And that's how she finally achieved her lifetime goal as an athlete: an extreme 100-mile swim from...

Way more kids have fuzzy vision these days because we spend less time in outdoor light, which makes our eyeballs longer.

Learn why tuberculosis, TB, is the world’s most infectious disease and how medical advancements are improving treatment. -- In 2008, two 9,000-year old skeletons were found with their bones infected by an all too familiar bacterium....

Is it better to be lucky or good? Should we trust our gut feelings or rely on probabilities and careful analysis when making important decisions? In this quick talk, professional poker player Liv Boeree shares three strategies she's...

So we ended the last episode with casual gaming and a more connected gaming community, but these connected communities started much before smartphones and Facebook. Today, we're going to talk about MMORPGs - or Massively Multiplayer...

We’re having a birthday party for one of the world’s most famous scientists, Charles Darwin!!!

Once a cared-for patient and now a caregiver himself, Scott Williams highlights the invaluable role of informal caregivers -- those friends and relatives who, out of love, go the extra mile for patients in need. From personal care to...

History has shown us that in moments of crisis, society can truly transform, says environmental educator Severn Cullis-Suzuki. Nearly 30 years ago, at just 12 years old, she spoke at the UN's Earth Summit in hopes of reversing the...

We have archives of films, newspapers, even seeds -- what if we could make one for the entire surface of the earth? Drawing on his experience mapping an ancient city in the Honduran jungle, archaeologist Chris Fisher makes the case for...

Over the next few episodes we're going to talk about the history of video games. Today, we're going to start with the first re-programmable computers in the 1940's. Now, these computers were serious tools. They were for codebreaking and...