Crash Course
Congressional Delegation: Crash Course Government and Politics
In which Craig Benzine teaches you about delegation, and informal powers. What are all these federal agencies about? Well, the president has a lot of stuff to do as the chief executive, and as much as Americans like to talk about...
TED Talks
Craig Costello: In the war for information, will quantum computers defeat cryptographers?
In this glimpse into our technological future, cryptographer Craig Costello discusses the world-altering potential of quantum computers, which could shatter the limits set by today's machines -- and give code breakers a master key to the...
TED-Ed
TED-Ed: Why don't perpetual motion machines ever work? - Netta Schramm
Perpetual motion machines - devices that can do work indefinitely without any external energy source - have captured many inventors' imaginations because they could totally transform our relationship with energy. There's just one...
TED Talks
Shereen El-Feki: HIV -- how to fight an epidemic of bad laws
There is an epidemic of HIV, and with it an epidemic of bad laws -- laws that effectively criminalize being HIV positive. At the TEDxSummit in Doha, TED Fellow Shereen El-Feki gives a forceful argument that these laws, based in stigma,...
TED Talks
TED: The fascinating physics of everyday life | Helen Czerski
Physics doesn't just happen in a fancy lab -- it happens when you push a piece of buttered toast off the table or drop a couple of raisins in a fizzy drink or watch a coffee spill dry. Become a more interesting dinner guest as physicist...
TED Talks
Robert Lang: The math and magic of origami
Robert Lang is a pioneer of the newest kind of origami -- using math and engineering principles to fold mind-blowingly intricate designs that are beautiful and, sometimes, very useful.
TED Talks
TED: The shocking move to criminalize nonviolent protest | Will Potter
In 2002, investigative journalist and TED Fellow Will Potter took a break from his regular beat, writing about shootings and murders for the Chicago Tribune. He went to help a local group campaigning against animal testing: "I thought it...
Crash Course
Equal Protection: Crash Course Government and Politics
Today, Craig is going to talk about the most important part of the Constitution - the Fourteenth Amendment. In particular, we're going to discuss the "equal protection" clause and how it relates to our civil rights. So we've spent the...
SciShow
Do Black Holes Have Quantum Hair?
We don’t know what happens to stuff when it gets sucked into a black hole, but in the same instance, we don’t know what happens to the black hole. There’s a possibility that sucked up stuff might actually give the black hole “quantum hair”.
SciShow
Science and Gun Violence
Hank looks for some things science can add to the conversation about guns and gun violence in the wake of the tragedy last week in Newtown, Connecticut. Our deepest sympathies are with the community of Sandy Hook, and with anyone whose...
MinutePhysics
The Arrow of Time feat. Sean Carroll
Why is the past different from the future? Caltech physicist Sean Carroll explains how the arrow of time is not an intrinsic property of physics, but rather an emergent feature.
TED Talks
Nick Hanauer: The dirty secret of capitalism -- and a new way forward
Rising inequality and growing political instability are the direct result of decades of bad economic theory, says entrepreneur Nick Hanauer. In a visionary talk, he dismantles the mantra that "greed is good" -- an idea he describes as...
SciShow
Is There Really An Infinite Multiverse? - Stephen Hawking's Last Paper
Just a few days before he died, Stephen Hawking submitted one last research paper using string theory math to talk about the multiverse.
SciShow
Celebrating Stephen Hawking’s Most Famous Discoveries
Last week we lost legendary scientist Stephen Hawking. To honor of one of the greatest legacies in cosmology, we wanted to celebrate and unpack some of his most famous findings.
TED Talks
TED: The online community supporting queer Africans | Okong'o Kinyanjui
Feeling safe is a human right -- but in many African countries, colonial-era laws make it dangerous for LGBTQIA+ people to gather and share their sexual orientation, gender identity or gender expression. Creating a space that leaves no...
TED Talks
Gever Tulley: 5 dangerous things you should let your kids do
At TED U, Gever Tulley, founder of the Tinkering School, spells out 5 dangerous things you should let your kids do -- and why a little danger is good for both kids and grownups.
Crash Course
Bureaucracy Basics: Crash Course Government and Politics
This week Craig Benzine discuses bureaucracies. Bureaucracies tend to be associated with unintelligible rules and time-wasting procedures, but they play an important, though controversial, role in governing. From the FDA to the EPA,...
Amoeba Sisters
Casual and Scientific Use of "Theory" and "Law"
The word "theory" is used very differently in casual everyday life vs. in science. In science, the word "theory" means so much more! Learn about what a scientific theory is with The Amoeba Sisters and discover why a scientific theory...
TED Talks
Karen Tse: How to stop torture
Political prisoners aren't the only ones being tortured -- the vast majority of judicial torture happens in ordinary cases, even in 'functioning' legal systems. Social activist Karen Tse shows how we can, and should, stand up and end the...
TED-Ed
TED-Ed: Defining cyberwarfare in hopes of preventing it - Daniel Garrie
Can you imagine a future where wars are fought not with bombs and bullets but computer viruses and pacemaker shutdowns? Cyberware is unique in that it is not covered by existing legal framework and it often inspires more questions than...
TED Talks
TED: Change our culture, change our world | Nate Garvis
We don't just need better laws -- we need better culture. Nate Garvis asks: What can we do to create an environment in which powerful institutions are used for the common good?
TED Talks
Kitra Cahana: A glimpse of life on the road
As a young girl, photojournalist and TED Fellow Kitra Cahana dreamed about running away from home to live freely on the road. Now as an adult and self-proclaimed vagabond, she follows modern nomads into their homes -- boxcars, bus stops,...
SciShow
Why Are Belly Flops So Painful
You botched your forward double somersault and biffed it hard on the water. Why does it have to hurt so bad?
TED Talks
TED: Could a DAO build the next great city? | Scott Fitsimones
Could DAOs, or "decentralized autonomous organizations," be the key to building the next great city? Experimental urbanist Scott Fitsimones shares how these mission-driven, blockchain-governed, collectively owned organizations could...