TED Talks
Scott Summit: Beautiful artificial limbs
Prosthetics can't replicate the look and feel of lost limbs but they can carry a lot of personality. Designer Scott Summit shows 3D-printed, individually designed prosthetic legs that are unabashedly artificial and completely personal --...
TED Talks
Mitch Zeller: The past, present and future of nicotine addiction
Tobacco use remains the leading cause of preventable disease and death in the United States, killing more people each year than alcohol, AIDS, car accidents, illegal drugs, murder and suicide combined. Follow health policy expert Mitch...
TED Talks
Annette Heuser: The 3 agencies with the power to make or break economies
The way we rate national economies is all wrong, says rating agency reformer Annette Heuser. With mysterious and obscure methods, three private US-based credit rating agencies wield immense power over national economies across the globe,...
SciShow
SciShow Talk Show - Chad Larrabee & Groucho the Hedgehog
In this episode of SciShow Talk Show Hank chats with Chad Larrabee of Montgomery Distillery about the science of distilling alcohol. Special guest is Jessi Knudsen Castañeda of Animal Wonders with Groucho the hedgehog.
Amoeba Sisters
Enzyme Examples, Cofactors/Coenzymes, Inhibitors, and Feedback Inhibition
Already watched the Amoeba Sisters first video on enzymes and ready to explore a little more? In this video, the Amoeba Sisters cover a few examples of enzymes in the human body before emphasizing that enzymes are found in all the...
TED Talks
Jamie Bartlett: How the mysterious dark net is going mainstream
There's a parallel Internet you may not have run across yet -- accessed by a special browser and home to a freewheeling collection of sites for everything from anonymous activism to illicit activities. Jamie Bartlett reports from the...
TED-Ed
TED-Ed: Why do competitors open their stores next to one another? - Jac de Haan
Why are all the gas stations, cafes and restaurants in one crowded spot? As two competitive cousins vie for ice-cream-selling domination on one small beach, discover how game theory and the Nash Equilibrium inform these retail hotspots.
3Blue1Brown
Why does this product equal pi/2? A new proof of the Wallis formula for pi.
A new and more circularly proof of a famous infinite product for pi.
TED Talks
Amos Winter: The cheap all-terrain wheelchair
How do you build a wheelchair ready to blaze through mud and sand, all for under $200? MIT engineer Amos Winter guides us through the mechanics of an all-terrain wheelchair that's cheap and easy to build -- for true accessibility -- and...
Bozeman Science
Driving Nonspontaneous Processes
In this video Paul Andersen explains how you can drive non spontaneous processes by adding external energy (like electricity or light) or by coupling it to a spontaneous process (like the conversion of ATP to ADP)
TED Talks
Seth Godin: How to get your ideas to spread
In a world of too many options and too little time, our obvious choice is to just ignore the ordinary stuff. Marketing guru Seth Godin spells out why, when it comes to getting our attention, bad or bizarre ideas are more successful than...
TED Talks
Nicaila Matthews Okome: This is the side hustle revolution
Past generations found a company to work for and then stayed there for decades. But today, we rarely stay in the same job (let alone on the same career path) and we don't rely on a single income stream. The tools and resources are out...
TED Talks
Hector Ruiz: The thinking behind 50x15
Hector Ruiz, the executive chair of AMD, wants to give Internet access to everyone. In this talk, he shares his extraordinary life story and describes AMD's 50x15 initiative that calls for connecting 50 percent of the world by 2015.
TED-Ed
TED-Ed: Diagnosing a zombie: Brain and body - Tim Verstynen & Bradley Voytek
Zombies eat brains. They are also, like all of us, driven by brain functions. What is happening in their brains to make them act as they do? In this intriguing dialogue, Tim Verstynen & Bradley Voytek apply the various human medical...
Crash Course
Thermodynamics and Energy Diagrams - Crash Course Organic Chemistry
In organic chemistry, different reactions can take place at vastly different speeds. To better understand whether a reaction actually will happen, and how useful that reaction is, we need to understand thermodynamics and kinetics. In...
TED Talks
TED: Got millet? How marketing could improve the lives of African farmers | Zoë Karl-Waithaka
From "got milk?" to "avocados from Mexico," marketing influences what you eat more than you may realize. But despite the known power of food marketing, farmers in Africa are more likely to receive funding for seed and fertilizer than...
Crash Course
Minimum Viable Product and Pivoting Crash Course Business Entrepreneurship
Imagine if the only videos on YouTube were people looking for love. That could have been the world we lived in! Before it had 1.9 billion users per day, YouTube started as a video-based dating service, complete with the truly excellent...
Crash Course
World War II Civilians and Soldiers: Crash Course European History
Our look at World War II continues with a closer examination of just how the war impacted soldiers in the field, and the people at home. For many of the combatants, the homefront and the warfront were one and the same. The war disrupted...
TED Talks
TED: How college loans exploit students for profit | Sajay Samuel
Once upon a time in America, says professor Sajay Samuel, "going to college did not mean graduating with debt." Today, higher education has become a consumer product -- costs have skyrocketed, saddling students with a combined debt of...
TED Talks
Tony Fadell: The first secret of design is ... noticing
As human beings, we get used to "the way things are" really fast. But for designers, the way things are is an opportunity ... Could things be better? How? In this funny, breezy talk, the man behind the iPod and the Nest thermostat shares...
TED Talks
TED: How the blockchain will radically transform the economy | Bettina Warburg
Say hello to the decentralized economy -- the blockchain is about to change everything. In this lucid explainer of the complex (and confusing) technology, Bettina Warburg describes how the blockchain will eliminate the need for...
Crash Course Kids
(LEGO) Block Party
Playing with LEGOS is fun. But, they can also teach us something about matter. In this episode of Crash Course Kids, Sabrina chats about chemical reactions and the Conservation of Matter.
TED Talks
TED: 4 myths and misunderstandings about doing business in Africa | Nomava Zanazo
Business in Africa is booming -- but international companies are missing out, says emerging markets expert Nomava Zanazo. Rushing in without knowing their customers, businesses underestimate Africans and make costly assumptions about...
TED-Ed
TED-Ed: Can you solve the rogue submarine riddle? Difficulty level: Master | Alex Rosenthal
Smuggling yourself aboard the rogue submarine was the easy part. Hacking into the nuclear missile launch override — a little harder. And you've got a problem: you don't have the override code. You know you need the same numbers that were...