TED Talks
TED: 5 ethical principles for digitizing humanitarian aid | Aarathi Krishnan
Over the last decade, humanitarian organizations have digitized many of their systems, from registering refugees with biometric IDs to transporting cargo via drones. This has helped deliver aid around the world, but it's also brought new...
TED Talks
Smruti Jukur Johari: What if the poor were part of city planning?
Almost a billion people worldwide live in informal communities and slums, often without basic infrastructure like clean water, toilets or adequate roads. Urban planner Smruti Jukur Johari breaks down myths about these communities and...
TED Talks
TED: The thrilling potential for off-grid solar energy | Amar Inamdar
There's an energy revolution happening in villages and towns across Africa -- off-grid solar energy is becoming a viable alternative to traditional electricity systems. In a bold talk about a true leapfrog moment, Amar Inamdar introduces...
TED-Ed
TED-Ed: History vs. Augustus - Alex Gendler and Peta Greenfield
His reign marked the beginning of one of history's greatest empires . . . and the end of one of its first republics. Was Rome's first emperor a visionary leader who guaranteed his civilization's place in history, or a tyrant who...
Crash Course
Derivatives: Crash Course Physics
CALCULUS! Today we take our first steps into the language of Physics; mathematics. Every branch of science has its own way to describe the things that it investigates. And, with Physics, that's math. In this episode, Shini talks us...
Crash Course
Work, Energy, and Power: Crash Course Physics
When you hear the word, "Work," what is the first thing you think of? Maybe sitting at a desk? Maybe plowing a field? Maybe working out? Work is a word that has a little bit of a different meaning in Physics and today, Shini is going to...
TED Talks
Joseph Nye: Global power shifts
Historian and diplomat Joseph Nye gives us the 30,000-foot view of the shifts in power between China and the US, and the global implications as economic, political and "soft" power shifts and moves around the globe.
SciShow
Why Do Neutrinos Have Mass? A Small Question with Huge Consequences
Neutrinos are weird. But all the big unsolved problems in physics are somehow connected to one unsolved mystery: Why do neutrinos have mass?
TED-Ed
TED-Ed: Can you survive nuclear fallout? - Brooke Buddemeier and Jessica S. Wieder
Nuclear weapons are some of the most powerful tools of destruction on Earth, and the full scope of a nuclear detonation is almost unimaginable. However, there is a scientifically supported plan of action that could save thousands of...
TED Talks
TED: How to make a profit while making a difference | Audrey Choi
Can global capital markets become catalysts for social change? According to investment expert Audrey Choi, individuals own almost half of all global capital, giving them (us!) the power to make a difference by investing in companies that...
Crash Course
DC Resistors & Batteries: Crash Course Physics
Batteries power much of your daily life, so today we're going to talk about how they work. We're also explaining how terminal voltage results from the natural internal resistance of every real battery. We'll get into both series and...
Crash Course
What Holds a Country Together or Tears it Apart? Crash Course Geography
Today we’re going to talk about the forces that affect a country’s stability. We’ll take a closer look at Costa Rica, Venezuela, Cuba, and Brazil and examine how the cohesiveness of these Latin American countries varies dramatically even...
SciShow
How to Keep Power from Going to Your Head
The famous British historian Lord Acton once said, “Power tends to corrupt, and absolute power corrupts absolutely.” And science tends to agree, but how we can prevent power from going to our heads?
Crash Course
What is a “Developed” Country? Crash Course Geography
Today we’re going to discuss what it means for a place to be “developed”. Development is often associated with economic success — that is countries with higher standards of living and material wealth like those found in Europe and North...
3Blue1Brown
Derivative formulas through geometry: Essence of Calculus - Part 3 of 11
Introduction to the derivatives of polynomial terms and trigonometric functions thought about geometrically and intuitively. The goal is for these formulas to feel like something the student could have discovered, rather than something...
MinuteEarth
Why Can't We Get Power From Waves?
Wave power hasn’t yet made a splash because it’s hard to use waves to spin turbines, and because the sea is a harsh place to build things. ___________________________________________ To learn more, start your googling with these...
TED-Ed
TED-ED: The most successful pirate of all time - Dian Murray
At the height of their power, infamous Caribbean pirates like Blackbeard and Henry Morgan commanded as many as 10 ships and several hundred men. But their stories pale next to the most successful pirate of all time, who commanded 1,800...
TED-Ed
TED-ED: How to understand power - Eric Liu
Every day, we move and operate within systems of power that other people have constructed. But we're often uncomfortable talking about power. Why? Eric Liu describes the six sources of power and explains how understanding them is key to...
Crash Course
Presidential Powers 2: Crash Course Government and Politics
This week Craig continues our conversation on presidential powers by looking at those NOT found in the Constitution - implied or inherent powers. We’ll talk about how the president uses his or her power to negotiate executive agreements,...
TED Talks
How synthetic biology can improve our health, food and materials | Emily Leproust
What if we could use biology to restore our balance with nature without giving up modern creature comforts? Advocating for a new kind of environmentalism, scientist and entrepreneur Emily Leproust rethinks modern sustainability at the...
TED Talks
Jonathan Klein: Photos that changed the world
Photographs do more than document history -- they make it. At TED University, Jonathan Klein of Getty Images shows some of the most iconic, and talks about what happens when a generation sees an image so powerful it can't look away -- or...
TED Talks
Daniel Suarez: The kill decision shouldn't belong to a robot
As a novelist, Daniel Suarez spins dystopian tales of the future. But on the TEDGlobal stage, he talks us through a real-life scenario we all need to know more about: the rise of autonomous robotic weapons of war. Advanced drones,...
SciShow
Buran: The Space Shuttle That Almost Was
Did you know the Soviet Union had its own Space Shuttle? Learn all about the Buran, what happened to it, and what innovations set it apart from its NASA counterpart.
SciShow
Placebos & Nocebos: How Your Brain Heals and Hurts You
You've probably heard how some drugs and treatments make people feel better, even when they turn out to be fake. That's the placebo effect, but how does it work? And could the same effect backfire, causing your brain to make you feel...