Crash Course
Theories of Global Stratification: Crash Course Sociology
Today we’ll discuss two theories of global stratification. First, we’ll go over modernization theory and Walt Rostow’s Four Stages of Modernization. Next, we’ll explain dependency theory, the legacy of colonialism, and Immanuel...
TED Talks
TED: How to build an equitable and just climate future | Peggy Shepard
Everyone has the right to a clean environment -- but major disparities exist when it comes to who faces the consequences of pollution. Environmental justice leader Peggy Shepard points to the disproportionate impact that hazardous...
TED Talks
Hajer Sharief: How to use family dinner to teach politics
Everyone should participate in decision-making and politics -- and it starts at home, says activist Hajer Sharief. She introduces a simple yet transformative idea: that parents can teach their children about political agency by giving...
TED Talks
TED: The risky politics of progress | Jonathan Tepperman
Global problems such as terrorism, inequality and political dysfunction aren't easy to solve, but that doesn't mean we should stop trying. In fact, suggests journalist Jonathan Tepperman, we might even want to think riskier. He traveled...
TED Talks
César Hidalgo: A bold idea to replace politicians
César Hidalgo has a radical suggestion for fixing our broken political system: automate it! In this provocative talk, he outlines a bold idea to bypass politicians by empowering citizens to create personalized AI representatives that...
TED Talks
TED: The story of Marvel's first queer Latina superhero | Gabby Rivera
With Marvel's "America Chavez," Gabby Rivera wrote a new kind of superhero -- one who can punch portals into other dimensions while also embracing her gentle, goofy, soft side. In a funny, personal talk, Rivera shares how her own...
TED Talks
Cómo hablar con otros que piensan distinto
Cómo hablar con otros que piensan distinto La desconfianza en la ciencia es un problema de comunicación que puede ser resuelto a través de la conversación, ofrece la científica Guadalupe Nogués. Para fomentar el discurso entre las...
SciShow
Glowing Rats and Extreme Genetic Engineering
Hank discusses some of the recent developments in synthetic biology, and why some advocacy groups are calling for a moratorium on those developments.
TED Talks
Gangadhar Patil: How we're helping local reporters turn important stories into national news
Local reporters are on the front lines of important stories, but their work often goes unnoticed by national and international news outlets. TED Fellow and journalist Gangadhar Patil is working to change that. In this quick talk, he...
TED Talks
Dalia Mogahed: The attitudes that sparked Arab Spring
Pollster Dalia Mogahed shares surprising data on Egyptian people's attitudes and hopes before the Arab Spring -- with a special focus on the role of women in sparking change.
TED Talks
TED: What really motivates people to be honest in business | Alexander Wagner
each year, one in seven large corporations commits fraud. Why? To find out, Alexander Wagner takes us inside the economics, ethics and psychology of doing the right thing. Join him for an introspective journey down the slippery slopes of...
TED Talks
TED: Why school should start later for teens | Wendy Troxel
Teens don't get enough sleep, and it's not because of Snapchat, social lives or hormones -- it's because of public policy, says Wendy Troxel. Drawing from her experience as a sleep researcher, clinician and mother of a teenager, Troxel...
TED Talks
TED: The biology of our best and worst selves | Robert Sapolsky
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. How can humans be so compassionate and altruistic -- and also so brutal and violent? To understand why we do what...
TED Talks
TED: Why we have an emotional connection to robots | Kate Darling
We're far from developing robots that feel emotions, but we already have feelings towards them, says robot ethicist Kate Darling, and an instinct like that can have consequences. Learn more about how we're biologically hardwired to...
TED Talks
C.K. Williams: Poetry of youth and age
Poet C.K. Williams reads his work at TED2001. As he colors scenes of childhood resentments, college loves, odd neighbors and the literal death of youth, he reminds us of the unique challenges of living.
TED Talks
Andrew McAfee: What will future jobs look like?
Economist Andrew McAfee suggests that, yes, probably, droids will take our jobs -- or at least the kinds of jobs we know now. In this far-seeing talk, he thinks through what future jobs might look like, and how to educate coming...
TED Talks
TED: What can we learn from shortcuts? | Tom Hulme
How do you build a product people really want? Allow consumers to be a part of the process. "empathy for what your customers want is probably the biggest leading indicator of business success," says designer Tom Hulme. In this short...
TED Talks
TED: Free yourself from your filter bubbles | Joan Blades and John Gable
Joan Blades and John Gable want you to make friends with people who vote differently than you do. A pair of political opposites, the two longtime pals know the value of engaging in honest conversations with people you don't immediately...
TED Talks
TED: We should aim for perfection -- and stop fearing failure | Jon Bowers
Sometimes trying your best isn't enough; when the situation demands it, you need to be perfect. For Jon Bowers, who runs a training facility for professional delivery drivers, the stakes are high -- 100 people in the uS die every day in...
TED Talks
TED: What my gender transition taught me about womanhood | Paula Stone Williams
After leading a well-established life as a pastor, father and husband, Paula Stone Williams could no longer deny her truth and transitioned. In this conversational and at times humorous reflection, Williams offers her perspective on the...
TED Talks
David Cameron: The next age of government
The leader of Britain's Conservative Party says we're entering a new era -- where governments themselves have less power (and less money) and people empowered by technology have more. Tapping into new ideas on behavioral economics, he...
TED Talks
TED: Why I put myself in danger to tell the stories of Gaza | Ameera Harouda
When Ameera Harouda hears the sounds of bombs or shells, she heads straight towards them. "I want to be there first because these stories should be told," says Gaza's first female "fixer," a role that allows her to guide journalists into...
TED Talks
TED: Why civilians suffer more once a war is over | Margaret Bourdeaux
In a war, it turns out that violence isn't the biggest killer of civilians. What is? Illness, hunger, poverty -- because war destroys the institutions that keep society running, like utilities, banks, food systems and hospitals....
TED Talks
TED: How I help free innocent people from prison | Ronald Sullivan
Harvard Law professor Ronald Sullivan fights to free wrongfully convicted people from jail -- in fact, he has freed some 6,000 innocent people over the course of his career. He shares heartbreaking stories of how (and why) people end up...