TED-Ed
TED-Ed: What is Alzheimer's disease? - Ivan Seah Yu Jun
Alzheimer's disease is the most common cause of dementia, affecting over 40 million people worldwide. And though it was discovered over a century ago, scientists are still grappling for a cure. Ivan Seah Yu Jun describes how Alzheimer's...
TED Talks
TED: The biggest risks facing cities -- and some solutions | Robert Muggah
With fantastic new maps that show interactive, visual representations of urban fragility, Robert Muggah articulates an ancient but resurging idea: cities shouldn't just be the center of economics -- they should also be the foundation of...
TED Talks
TED: Meet the inventor of the electronic spreadsheet | Dan Bricklin
Dan Bricklin changed the world forever when he codeveloped VisiCalc, the first electronic spreadsheet and grandfather of programs you probably use every day like Microsoft excel and Google Sheets. Join the software engineer and computing...
TED Talks
TED: Where on Earth will people live in the future? | Parag Khanna
From the return of nomadic living to a climate-disrupted world, author and global strategist Parag Khanna has some predictions for humanity. Get a fascinating glimpse at the future as he tackles an urgent question: Where on Earth will...
SciShow
Hilde Mangold and the Organizer of Life | Great Minds
Experiments conducted by Hilde Mangold and Hans Spemann taught us how an animal develops from a small ball of cells into an organism with distinct, functioning parts. The work was a foundational contribution to the field of developmental...
TED Talks
TED: 7 tools for building a business people trust | Marcos Aguiar
Why do we trust some companies and not others? Using real-world examples, digital trust advisor Marcos Aguiar decodes this make-or-break quality -- and offers seven tools to help leaders design a foundation of trust into their business...
Crash Course Kids
Up, Up & Away
So... what makes the wind? You might be surprised to learn that it has to do with two of Earth's spheres; The Hydrosphere and the Geosphere. In this episode of Crash Course Kids, Sabrina takes us to the beach to chat about how the wind...
TED-Ed
TED-Ed: How do pregnancy tests work? - Tien Nguyen
Over-the-counter pregnancy tests give potentially life-changing results with a pretty high rate of accuracy. But how do they work? Tien Nguyen explains how each test performs a scientifically rigorous, multi-stage experiment that goes...
TED Talks
TED: The creativity and community behind fanfiction | Cecilia Aragon
The wildly diverse, thoughtful and hilarious world of fanfiction -- where writers reimagine favorite stories like "Harry Potter," "Pokémon," "My Little Pony" and more -- is ever-growing and becoming a vital social and learning tool....
SciShow
3D Printing and the Northern Walking Stick Insect: SciShow Talk Show #18
Today on the SciShow Talk Show, Ben Malouf shows off some of his 3D printed designs and talks with Hank about how he got into the world of 3D printing. Then Jessi from Animal Wonders joins in to share Holmes and Watson, the northern...
TED-Ed
The woman who stared at the sun | Alex Gendler
In 1944, amateur astronomer Hisako Koyama's latest endeavor was sketching the sun's shifting surface. She spent weeks angling her telescope towards the sun and tracking every change she saw with drawings. Little did she know, these...
TED-Ed
TED-ED: The legend of Annapurna, Hindu goddess of nourishment - Antara Raychaudhuri and Iseult Gillespie
Historically, the union between Shiva and Parvati was a glorious one: a sacred combination which brought fertility and connection to all living things. Yet a rift had grown between these two forces. Setting out to prove the importance of...
TED Talks
David J. Bier: How guest worker visas could transform the US immigration system
The United States can create a more humane immigration system; in fact, it's been done before, says policy analyst David J. Bier. Pointing to the historical success of the US guest worker program, which allows foreign workers to legally...
TED Talks
TED: A memory scientist's advice on reporting harassment and discrimination | Julia Shaw
How do you turn a memory, especially one of a traumatic event, into hard evidence of a crime? Julia Shaw is working on this challenge, combining tools from memory science and artificial intelligence to change how we report workplace...
TED Talks
TED: How we can build AI to help humans, not hurt us | Margaret Mitchell
As a research scientist at Google, Margaret Mitchell helps develop computers that can communicate about what they see and understand. She tells a cautionary tale about the gaps, blind spots and biases we subconsciously encode into AI --...
Crash Course
Your Immune System: Natural Born Killer - Crash Course Biology
Hank tells us about the team of deadly ninja assassins that is tasked with protecting our bodies from all the bad guys that want to kill us - also known as our immune system.
TED Talks
TED: Climate action needs new frontline leadership | Ozawa Bineshi Albert
We can't rely on those who created climate change to fix it, says climate justice organizer Ozawa Bineshi Albert. An Indigenous woman living in the heart of oil and gas country in the US, she's observed an alarming disconnect between...
TED Talks
TED: Language shouldn't be a barrier to climate action | Sophia Kianni
Most scientific literature is written only in English, creating an alarming knowledge gap for the 75 percent of the world who don't speak it. That's a big problem for climate change -- because it's hard to take action on something you...
Crash Course
Apocalypse Now: Crash Course Film Criticism
Francis Ford Coppola's "Apocalypse Now" is a different kind of war movie. It's a multi-genre film that maybe says more about human psychology than it does about war. In this episode of Crash Course Film Criticism, Michael Aranda takes us...
TED Talks
TED: Science in service to the public good | Siddhartha Roy
We give scientists and engineers great technical training, but we're not as good at teaching ethical decision-making or building character. Take, for example, the environmental crisis that recently unfolded in Flint, Michigan -- and the...
SciShow
Do Dead Batteries Really Bounce?
Some people have this idea that dead batteries bounce if you drop them, but is it true?
TED Talks
TED: Are brain waves the secret to treating Alzheimer's? | Li-Huei Tsai
What if we could use brain waves to treat Alzheimer's? Professor and neuroscientist Li-Huei Tsai details a promising new approach to artificially stimulate gamma brain waves using light and sound therapy, to increase connectivity and...
TED Talks
How to avoid catching prickly emotions from other people | Jessica Woods
Difficult emotions can get under your skin if you're not careful. Sport and performance consultant Jessica Woods calls this the "jumping cholla effect," inspired by a sneaky kind of cactus that detaches and burrows its spines into...
TED Talks
TED: How radical hospitality can change the lives of the formerly incarcerated | Reuben Jonathan Miller
For the nearly 20 million Americans with a felony record, punishment doesn't end after their prison sentence. Sociologist Reuben Jonathan Miller sheds light on the aftershocks of mass incarceration through the stories of people who've...