TED Talks
TED: Your invitation to disrupt philanthropy | Sara Lomelin
Philanthropy disruptor Sara Lomelin thinks communities can build power through collective giving and the model of "giving circles": groups of people with shared values who come together to make change, strengthen their social fabric and...
TED Talks
TED: Everyone can participate in building the metaverse | Sutu
The promise of the metaverse extends far beyond digital spaces -- it can transform and enrich how we experience the material world, too. From video games that bring communities together to digital art that collides with physical spaces,...
Crash Course
The History of Chemical Engineering: Crash Course Engineering #5
Today we’ll cover the fourth and final of our core disciplines of engineering: chemical engineering. We’ll talk about its history and evolution going from soda ash competitions to oil refineries and renewable energies. We’ll also discuss...
TED Talks
TED: How webtoons are changing movies and TV | Hyeonmi Kim
Pop culture is changing thanks to a different kind of storytelling, says digital strategist Hyeonmi Kim. They're called webtoons: comic-like illustrations published in short segments and meant to be read on a smartphone in five to 10...
SciShow
No, Your Dog Doesn't Think You're the "Alpha"
The toughest, most dominant canine gets the resources and respect - or at least that's the idea that caught on culturally. Turns out, that's not necessarily how it works.
TED Talks
TED: An Olympic champion's unwavering advocacy for mothers in sports | Allyson Felix
Getting pregnant as a track and field athlete is often called the "kiss of death" -- a sign your athletic career will soon end. Olympic champion, entrepreneur and proud mother Allyson Felix thinks it shouldn't be that way. She tells the...
SciShow
SciShow Talk Show: John Roach on Ecology & Freckles the Leopard Gecko
Dr. John Roach joins the Talk Show to talk about his ecological studies and then Jessi brings on Freckles the leopard gecko.
SciShow
Could Eye Drops Replace Your Glasses?
Getting older means it’s likely that your eyes will have trouble focusing on things at close distances, so we are often prescribed glasses to combat this problem. But what if there were eye drops that could achieve the same results?
SciShow
Alice Hamilton: The Doctor Who Made Work Safer | Great Minds
During the period of rapid industrialization at the turn of the 20th century, factory jobs were incredibly unsafe. That is, until Dr. Alice Hamilton basically became an investigative reporter to figure out how factories were poisoning...
TED Talks
TED: The powerful women on the front lines of climate action | Farwiza Farhan
When it comes to big problems like climate change, we tend to focus on big solutions -- but many of the best ideas come from people on the ground, facing day-to-day conservation battles. Sharing her effort to protect the Leseur ecosystem...
TED Talks
How a strong creative industry helps economies thrive | Mehret Mandefro
When global leaders think about which industries can fuel economic growth, the arts are often overlooked. But filmmaker Mehret Mandefro says the creative sector actually has the power to grow economies -- while also helping safeguard...
SciShow
6 Stupid and Dangerous Things Scientists Did to Themselves
From poking their own eyes, to drinking a patient's vomit, some extremely passionate scientists have done pretty outrageous things to themselves in the name of science.
SciShow
Why Do I Have Varicose Veins?
Usually, the 160,000 kilometers of blood vessels in your body work incredibly smoothly. However, the forces of age, weight gain, and gravity can conspire to cause lumpy varicose veins.
TED Talks
Rayma Suprani: Dictators hate political cartoons -- so I keep drawing them
"A political cartoon is a barometer of freedom," says Rayma Suprani, who was exiled from her native Venezuela for publishing work critical of the government. "That's why dictators hate cartoonists." In a talk illustrated with highlights...
TED Talks
Margaret Heffernan: The human skills we need in an unpredictable world
The more we rely on technology to make us efficient, the fewer skills we have to confront the unexpected, says writer and entrepreneur Margaret Heffernan. She shares why we need less tech and more messy human skills -- imagination,...
SciShow
The Worst Nobel Prize Ever Awarded
SciShow explores the grim story of the lobotomy, the medical procedure that earned its inventor perhaps the most regrettable Nobel Prize in history.
PBS
The Black Hole Entropy Enigma
Black Holes should have no entropy, but they in fact hold most of the entropy in the universe. Let's figure this out.
Crash Course
Drugs, Dyes, & Mass Transfer: Crash Course Engineering #16
Today we’re talking about mass transfer. It doesn’t just apply to objects and fluids as a whole, but also to the individual molecules and components that make them up. We’ll see that transfers of mass need their own driving force,...
SciShow
This Diagram of Earth Is a Lie
When you learned about the Earth’s interior in school, you were probably shown a diagram that looked like a perfect layer cake. But we've known for a long time that that diagram is... inaccurate at best, and leaves out information that...
SciShow
Curious Orangutans and 4 Other Animals a Bit Different in Captivity
Surround a wild animal with humans, and there are bound to be some changes. Here are five animals that show differences in captivity.
3Blue1Brown
Hamming codes and error correction
A discovery-oriented introduction to error correction codes.
TED Talks
TED: How NASA invented a ventilator for COVID-19 ... in 37 days | Dan Goods
Get the behind-the-scenes story from visual strategist Dan Goods about how a single question launched NASA's Jet Propulsion Lab into action at the beginning of the COVID-19 pandemic, propelling an unprecedented pivot from space-exploring...
TED Talks
TED: Bio-lab on a microchip | Frederick Balagadde
Drugs alone can't stop disease in sub-Saharan Africa: We need diagnostic tools to match. TED Senior Fellow Frederick Balagadde shows how we can multiply the power and availability of an unwieldy, expensive diagnostic lab -- by...
SciShow
5 Things Humans Got Really Wrong About Our Bodies
Throughout history, people have been trying to figure out how our bodies work and how to fix them when things go wrong. This has led to some ideas that, with the benefit of hindsight, seem very strange