3Blue1Brown
Music And Measure Theory
How one of the introductory ideas in a field called "measure theory" can be thought of in terms of musical harnomy and dissonance.
Be Smart
The Scale of the Universe
From the very large to the very small, the universe is an amazing place. Here's my favorite ways to explore its scale.
TED Talks
Louise Fresco: We need to feed the whole world
Louise Fresco shows us why we should celebrate mass-produced, supermarket-style white bread. She says environmentally sound mass production will feed the world, yet leave a role for small bakeries and traditional methods.
TED Talks
TED: Planet City -- a sci-fi vision of an astonishing regenerative future | Liam Young
Get transported on a stunningly rendered, sci-fi safari through Planet City: an imaginary metropolis of 10 billion people, from the brain of director and architect Liam Young. Explore the potential outcomes of an urban space designed to...
TED Talks
TED: India's hidden hotbeds of invention | Anil Gupta
Anil Gupta is on the hunt for the developing world's unsung inventors -- indigenous entrepreneurs whose ingenuity, hidden by poverty, could change many people's lives. He shows how the Honey Bee Network helps them build the connections...
TED Talks
TED: Africa's great carbon valley -- and how to end energy poverty | James Irungu Mwangi
Our lives depend on curbing climate change, but so many priorities seem to be in competition. What's the most urgent thing humanity can do right now? Social entrepreneur James Irungu Mwangi tells us why Africa could be the ideal home for...
MinuteEarth
The Science of Hobbit Gluttony
Because smaller animals have to eat more relative to their bodyweight, Tolkein’s hobbits need to eat a lot - not for comfort, but for survival.
TED Talks
TED: Can we stop climate change by removing CO2 from the air? | Tim Kruger
Could we cure climate change? Geoengineering researcher Tim Kruger wants to try. He shares one promising possibility: using natural gas to generate electricity in a way that takes carbon dioxide out of the air. Learn more -- both the...
SciShow
The Dark Side of Needing Closure
Seeking closure is normally a good thing, but it also has a dark side. And if you’re not careful, chasing after it could set you up for some pretty bad decisions.
TED Talks
TED: The hunt for a supermassive black hole | Andrea Ghez
With new data from the Keck telescopes, Andrea Ghez shows how state-of-the-art adaptive optics are helping astronomers understand our universe's most mysterious objects: black holes. She shares evidence that a supermassive black hole may...
TED Talks
Shukla Bose: Teaching one child at a time
Educating the poor is more than just a numbers game, says Shukla Bose. She tells the story of her groundbreaking Parikrma Humanity Foundation, which brings hope to India's slums by looking past the daunting statistics and focusing on...
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
Thomas Thwaites: How I built a toaster -- from scratch
It takes an entire civilization to build a toaster. Designer Thomas Thwaites found out the hard way, by attempting to build one from scratch: mining ore for steel, deriving plastic from oil ... it's frankly amazing he got as far as he...
TED Talks
Kristina Gjerde: Making law on the high seas
Kristina Gjerde studies the law of the high seas -- the 64 percent of our ocean that isn't protected by any national law at all. Gorgeous photos show the hidden worlds that Gjerde and other lawyers are working to protect from trawling...
TED Talks
Herman Narula: The transformative power of video games
A full third of the world's population -- 2.6 billion people -- play video games, plugging into massive networks of interaction that have opened up opportunities well beyond entertainment. In a talk about the future of the medium,...
SciShow
No Hips, No Problem: Better Hip Replacements From Snakes
If you want to make a better hip replacement, who better to turn to than… a snake? While these hip-less creatures might seem like a weird choice for help with this particular issue, a major part of creating comfortable, long-lasting...
TED Talks
Zeynep Tufekci: Online social change: easy to organize, hard to win
Today, a single email can launch a worldwide movement. But as sociologist Zeynep Tufekci suggests, even though online activism is easy to grow, it often doesn't last. Why? She compares modern movements -- Gezi, Ukraine, Hong Kong -- to...
TED-Ed
TED-ED: Can you solve the counterfeit coin riddle? - Jennifer Lu
You're the realm's greatest mathematician, but ever since you criticized the Emperor's tax laws, you've been locked in the dungeon. Luckily for you, one of the Emperor's governors has been convicted of paying his taxes with a counterfeit...
Bozeman Science
Electromagnetic Forces
In this video Paul Andersen explains how electromagnetic forces are exerted over all scales and dominate at the human scale. The magnitude of electromagnetic forces vary with the magnitude and motion of the electric charges involved.
TED Talks
TED: What you can do to prevent Alzheimer's | Lisa Genova
Alzheimer's doesn't have to be your brain's destiny, says neuroscientist and author of "Still Alice," Lisa Genova. She shares the latest science investigating the disease -- and some promising research on what each of us can do to build...
TED Talks
TED: How AI could compose a personalized soundtrack to your life | Pierre Barreau
Meet AIVA, an artificial intelligence that has been trained in the art of music composition by reading more than 30,000 of history's greatest scores. In a mesmerizing talk and demo, Pierre Barreau plays compositions created by AIVA and...
TED Talks
Janet Echelman: Taking imagination seriously
Janet Echelman found her true voice as an artist when her paints went missing -- which forced her to look to an unorthodox new art material. Now she makes billowing, flowing, building-sized sculpture with a surprisingly geeky edge. A...
TED-Ed
TED-ED: How small are we in the scale of the universe? - Alex Hofeldt
In 1995, scientists pointed the Hubble Telescope at an area of the sky near the Big Dipper. The location was apparently empty, and the whole endeavor was risky _ what, if anything, was going to show up? But what came back was nothing...
MinuteEarth
The Great Acceleration
We’re in the middle of a rapid, unprecedented, and world-changing increase in the intensity and scale of human activity on this planet.