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.
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To learn more, start your googling with these...
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...
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...
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
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...
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
The Physics of "Punkin Chunkin"
"Punkin Chunkin" is the United State's annual contest to see whose homemade machine can hurl a pumpkin the farthest (without explosives!). Every November, thousands of amateur engineers converge on a farm in Delaware to put their...
TED-Ed
TED-ED: The Infinite Hotel Paradox - Jeff Dekofsky
The Infinite Hotel, a thought experiment created by German mathematician David Hilbert, is a hotel with an infinite number of rooms. Easy to comprehend, right? Wrong. What if it's completely booked but one person wants to check in? What...
TED-Ed
TED-ED: How to create cleaner coal - Emma Bryce
It takes a lot of fuel to heat our homes, preserve our food, and power our gadgets. And for 40 percent of the world, cheap, plentiful coal gets the job done. But coal also releases pollutants into the air, causing environmental damage...
Crash Course
The Market Revolution Crash Course US History
In which John Green teaches you about the Market Revolution. In the first half of the 19th century, the way people lived and worked in the United States changed drastically. At play was the classic (if anything in a 30 year old nation...
SciShow
Why Do Spiders Curl Up When They Die?
When spiders die, their tiny legs curl up tight against their body, because spiders don’t use muscles to extend their legs. Instead, they have hydraulic legs!
SciShow
The Old Sailors' Tool That Saved Apollo 13
In the 1700s, sailors used sextants to navigate the seas. Centuries later, these old-timey tools saved the day on not one, but two of the Apollo missions!
TED-Ed
TED-Ed: How folding paper can get you to the moon - Adrian Paenza
Can folding a piece of paper 45 times get you to the moon? By seeing what happens when folding just one piece of paper, we see the unbelievable potential of exponential growth. This lesson will leave you wanting to grab a piece of paper...
TED-Ed
TED-ED: Why is Vermeer's "Girl with the Pearl Earring" considered a masterpiece? - James Earle
Is she turning towards you or away from you? No one can agree. She's the subject of Dutch Master Johannes Vermeer's "Girl with the Pearl Earring," a painting often referred to as the 'Mona Lisa of the North.' But what makes this painting...
TED Talks
TED: How small countries can make a big impact on climate change | Nicola Sturgeon
When it comes to tackling climate change, the size of a country doesn't matter -- it's their ambition that counts, says First Minister of Scotland Nicola Sturgeon. In a rousing talk, she shares examples of small nations -- from Bhutan...
Bozeman Science
Energy Consumption
In this video Paul Andersen explains how humans have consumed energy through history and may consume energy in the future. Sources of energy have included food, animals, wood, wind, coal, oil, and natural gas. However non-renewable...
TED-Ed
TED-ED: How do US Supreme Court justices get appointed? - Peter Paccone
There's a job out there with a great deal of power, pay, prestige, and near-perfect job-security. And there's only one way to be hired: get appointed to the US Supreme Court. But how do US Supreme Court Justices actually get that honor?...
SciShow
What's Next for the James Webb Space Telescope
It finally happened! The James Webb Space Telescope is on its way to capturing never-before-seen images of the universe! But now that it’s airborne and unfurled, what are its next steps before it can deliver the goods?