SciShow
Placebos Work Even if You Know They’re Placebos!
Placebos can alleviate all sorts of symptoms, but there's debate about their usage from an ethical standpoint. Of course, a doctor can't tell a patient they're taking placebos or they won't work anymore... or will they?
SciShow
How Engineers Are Turning Wind into Protein Powder
Alternative energy is great, but our infrastructure isn't exactly equipped to handle it. So scientists are coming up with other ways to use it, including turning it into food.
Crash Course
What Is Sociology?: Crash Course Sociology
Today we kick off Crash Course Sociology by explaining what exactly sociology is. We’ll introduce the sociological perspective and discuss how sociology differentiates itself from the other social sciences. We’ll also explore what...
TED Talks
Raj Jayadev: Community-powered criminal justice reform
Community organizer Raj Jayadev wants to transform the US court system through "participatory defense" -- a growing movement that empowers families and community members to impact their loved ones' court cases. He shares the remarkable...
SciShow
Gina McCarthy on Public Health & Climate Change | SciShow Talk Show
Humans are great at creating, and solving, problems. Hank talks with Gina McCarthy about the biggest public health problem we face today: climate change. Gina McCarthy is the Director of C-CHANGE (Center for Climate, Health and the...
TED-Ed
TED-Ed: The power of the placebo effect - Emma Bryce
The placebo effect is an unexplained phenomenon wherein drugs, treatments, and therapies that aren't supposed to have an effect -- and are often fake -- miraculously make people feel better. What's going on? Emma Bryce dives into the...
Crash Course
Reformation and Consequences: Crash Course European History
The Protestant Reformation didn't exactly begin with Martin Luther, and it didn't end with him either. Reformers and monarchs changed the ways that religious and state power were organized throughout the 16th and early 17th centuries....
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
Ma Yansong: Urban architecture inspired by mountains, clouds and volcanoes
Taking inspiration from nature, architect Ma Yansong designs breathtaking buildings that break free from the boxy symmetry of so many modern cities. His exuberant and graceful work -- from a pair of curvy skyscrapers that "dance" with...
Crash Course
Role-playing Games: Crash Course Games
Today, we're going to explore the world of role-playing games. Role-playing games are different than most, because they're technically a form of interactive storytelling with one player managing the game as the game master (or dungeon...
SciShow
Laser Fusion Is It Back to the Future Yet
Hank remembers Back to the Future and tells us about his favorite word combination--lasers and fusion.
MinutePhysics
How Shor's Algorithm Factors 314191
This video explains how Shor’s Algorithm factors the pseudoprime number 314191 into its prime factors using a quantum computer. The quantum computation relies on the number-theoretic analysis of the factoring problem via modular...
Crash Course
Defense Against the Dark Arts of Influence: Crash Course Business Soft Skills
How do con artists manage to scam millions? Why do people choose to follow great leaders, or horrible ones? How do CEOs get better deals in the boardroom? Influence. In this episode of Crash Course Business, Evelyn chats to us about what...
Crash Course
Theory & Deviance: Crash Course Sociology
Last week we introduced deviance as a concept, but today we’re going return to our major paradigms in sociology and how each approaches deviance. We’ll explore how structural functionalism sees deviance fulfilling a function in society;...
Crash Course
Ophelia, Gertrude, and Regicide - Hamlet II: Crash Course Literature 204
In which John Green teaches you MORE about Bill Shakespeare's Hamlet. John talks about gender roles in Hamlet, and what kind of power and agency Ophelia and Gertrude had, if they had any at all (spoiler alert: we think they did). You'll...
TED Talks
TED: Climate change is our reality. Here's how we're taking action | Al Gore, Gloria Kasang Bulus, Nana Firman, Ximena Loría and Tim Guinee
With the Climate Reality Project, Al Gore is helping mold future leaders to build the movement for climate survival and social justice from the ground up. He introduces us to four of the Project's graduates, each of whom confronts...
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 Talks
TED: What should humans take to space (and leave behind)? | Jorge Mañes Rubio
TED talks about what should humans take to space (and leave behind)?
TED Talks
TED: Thorium, an alternative nuclear fuel | Kirk Sorensen
Kirk Sorensen shows us the liquid fuel thorium reactor -- a way to produce energy that is safer, cleaner and more efficient than current nuclear power.
Crash Course
Scientific Revolution: Crash Course European History
There was a lot of bad stuff going on in Europe in the 17th century. We've seen wars, plagues, and unrest of all types. But, there is some good news. Huge advances were underway in the scientific community in Europe at this time. In this...
TED Talks
Bjarke Ingels: Floating cities, the LEGO House and other architectural forms of the future
Design gives form to the future, says architect Bjarke Ingels. In this worldwide tour of his team's projects, journey to a waste-to-energy power plant (that doubles as an alpine ski slope) and the LEGO Home of the Brick in Denmark -- and...
SciShow
8 Beautiful, Weird, and Scary Things Ice Can Do
Frozen water molecules don’t seem to be all that interesting. But, these eight weird things that ice can do are truly mind-boggling. Chapters View all ICE SPIKES 0:40 FROST QUAKES 2:36 FROST FLOWERS: LAND 3:26 FROST FLOWERS: SEA ICE 4:22...
Crash Course
African Pantheons and the Orishas: Crash Course World Mythology
So, today we're talking about African Pantheons. Now, you might say, that's ridiculous. Africa isn't a single place with a single pantheon, and we'd be fools to try and cover all that in an eleven minute video. You'd be right. Instead...
SciShow
The Surprisingly Retro Future of Batteries
Renewable energy may be the way of the future, but in order to store that energy to make our grids more sustainable, we might need to take a look back at some battery technologies of the past.