TED Talks
Alastair Parvin: Architecture for the people by the people
Designer Alastair Parvin presents a simple but provocative idea: what if, instead of architects creating buildings for those who can afford to commission them, regular citizens could design and build their own houses? The concept is at...
SciShow
Quiz Show: Michael Aranda vs. Emily Graslie
Having worked together for years, it's time for Emily Graslie and Michael Aranda to go head to head in a SciShow Quiz Show Grudge Match.
TED Talks
Eddie Obeng: Smart failure for a fast-changing world
The world is changing much more rapidly than most people realize, says business educator Eddie Obeng -- and creative output cannot keep up. In this spirited talk, he highlights three important changes we should understand for better...
TED Talks
Alejandro Aravena: My architectural philosophy? Bring the community into the process
When asked to build housing for 100 families in Chile ten years ago, Alejandro Aravena looked to an unusual inspiration: the wisdom of favelas and slums. Rather than building a large building with small units, he built flexible...
TED Talks
Sugata Mitra: Kids can teach themselves
Speaking at LIFT 2007, Sugata Mitra talks about his Hole in the Wall project. Young kids in this project figured out how to use a PC on their own -- and then taught other kids. He asks, what else can children teach themselves?
TED Talks
TED: Can light stop the coronavirus? | David Brenner
Far-UVC light is a type of ultraviolet light that kills microbes and viruses and, crucially, seems to be safe to use around humans. Radiation scientist David Brenner describes how we could use this light to stop the spread of SARS-CoV-2,...
SciShow
Scientists Had Some Bad Ideas | Scishow Quiz Show
Two YouTube musicians battle it out to see who shall sing a song of victory.
TED Talks
TED: The trick to regaining your childlike wonder | Zach King
When we ditch our assumptions, new ideas can enter the world, says filmmaker Zach King. In an entertaining talk full of props and surprises, King shows us the trick to regaining our sense of childlike wonder through the power of...
MinutePhysics
Does The Universe Have a Purpose feat. Neil deGrasse Tyson
Neil deGrasse Tyson was asked by the Templeton Foundation to answer the question "Does the Universe Have a Purpose". Then he read his answer aloud and I drew some pictures for it.
TED-Ed
TED-Ed: Zen k_ans: unsolvable enigmas designed to break your brain - Puqun Li
How do we explain the unexplainable? This question has inspired numerous myths, religious practices and scientific inquiries. But Zen Buddhists practicing throughout China from the 9th to 13th century asked a different question - why do...
TED Talks
Terry Moore: Why is 'x' the unknown?
Why is 'x' the symbol for an unknown? In this short and funny talk, Terry Moore gives the surprising answer.
TED Talks
Stuart Firestein: The pursuit of ignorance
What does real scientific work look like? As neuroscientist Stuart Firestein jokes: It looks a lot less like the scientific method and a lot more like "farting around ... in the dark." In this witty talk, Firestein gets to the heart of...
TED Talks
Jim Holt: Why does the universe exist?
Why is there something instead of nothing? In other words: Why does the universe exist (and why are we in it)? Philosopher and writer Jim Holt follows this question toward three possible answers. Or four. Or none.
TED Talks
TED: How judges can show respect | Victoria Pratt
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. In halls of justice around the world, how can we ensure everyone is treated with dignity and respect? A pioneering...
TED Talks
TED: Fighting with nonviolence | Scilla Elworthy
How do you deal with a bully without becoming a thug? In this wise and soulful talk, peace activist Scilla Elworthy maps out the skills we need -- as nations and individuals -- to fight extreme force without using force in return. To...
SciShow Kids
Viewer Mail! - How Do Bugs Hang Upside-Down?
Jessi and Squeaks love getting interesting science questions from their friends! Join them as they check their email and answer questions from kids like you!
SciShow
SciShow Talk Show: Jimmy Henderson & The Red Eyed Skinks
SciShow Talk Show is back! Hank talks to Jimmy Henderson about project MINERVA, or is it the MINERVA Project? Special Guest Jessi Knudsen Castañeda introduces two red eyed crocodile skinks!
SciShow
SciShow Quiz Show: Dave Loos
Hank and the gang return with SciShow Quiz Show, where Sci Show's resident geniuses compete to win prizes for our subscribers!
Crash Course
The Cold War Crash Course US History
In which John Green teaches you about the Cold War, which was the decades long conflict between the USA and the USSR. The Cold War was called cold because of the lack of actual fighting, but this is inaccurate. There was plenty of...
Crash Course
Divine Command Theory: Crash Course Philosophy
As we venture into the world of ethics, there are a lot of different answers to the grounding problem for us to explore. One of the oldest and most popular is the divine command theory. But with age comes a long history of questions,...
TED Talks
Emma Belcher: 3 questions we should ask about nuclear weapons
There are more than 10,000 nuclear weapons in existence today, each one capable of causing immense destruction. Why don't we talk about this threat as much as some other major issues? In this practical talk, nuclear security expert Emma...
TED Talks
Christer Mjåset: 4 questions you should always ask your doctor
"Doctor, is this really necessary?" Backed by startling statistics about overtreatment, neurosurgeon Christer Mjåset explains the power of this and other simple questions in the context of medical treatment and surgery -- and shares how...
TED Talks
JR: One year of turning the world inside out
Street artist JR made a wish in 2011: Join me in a worldwide photo project to show the world its true face. One year after making his TED Prize wish, he shows how giant posters of human faces, pasted in public, are connecting...
TED Talks
TED: The real harm of the global arms trade | Samantha Nutt
In some parts of the world, it's easier to get an automatic rifle than a glass of clean drinking water. Is this just the way it is? Samantha Nutt, doctor and founder of the international humanitarian organization War Child, explores the...