SciShow
The Biggest Stars in the Galaxy
Learn about hypergiant stars -- stars that make the sun look ridiculously tiny.
SciShow
The Lazy Animal’s Guide To Travel
We’ve invented airplanes, trains, automobiles and so much more to ease the process of traveling. But many animals have adapted their own techniques for energy efficient travel that don’t require invention!
TED Talks
Brené Brown: The power of vulnerability
Brené Brown studies human connection -- our ability to empathize, belong, love. In a poignant, funny talk, she shares a deep insight from her research, one that sent her on a personal quest to know herself as well as to understand...
TED Talks
TED: What we're missing in the debate about immigration | Duarte Geraldino
Between 2008 and 2016, the United States deported more than three million people. What happens to those left behind? Journalist Duarte Geraldino picks up the story of deportation where the state leaves off. Learn more about the wider...
TED-Ed
TED-ED: What is McCarthyism? And how did it happen? - Ellen Schrecker
In the 1950s, as part of a campaign to expose suspected Communists, thousands of individuals were aggressively investigated and questioned before government panels. Named after its most notorious practitioner, the phenomenon known as...
TED-Ed
TED-ED: What happens during a stroke? - Vaibhav Goswami
Every two seconds, someone in the world has a stroke. One out of every six people will have a stroke at some point in their lives. Strokes deprive brain cells of oxygen and are one of the most common causes of death, and a leading cause...
Crash Course
Social Mobility: Crash Course Sociology
Today we’re exploring social mobility in some more depth. We’ll look at intergenerational and intragenerational mobility and the difference between absolute and relative mobility. We’ll go over the long run upward social mobility trends...
TED-Ed
TED-Ed: Why it's so hard to cure HIV/AIDS - Janet Iwasa
In 2008, something incredible happened: a man was cured of HIV. In over 70 million HIV cases, this was a first, and, so far, a last, and we don't yet understand exactly how he was cured. But if we can cure people of various diseases,...
TED-Ed
TED-Ed: Why wildfires are necessary - Jim Schulz
Our early ancestors relied on lightning to cause forest fires, from which they could collect coals and burning sticks to help them cook food and clear land. Yet, it wasn't just humans who benefited from these natural phenomena. Even as...
TED Talks
TED: How video games turn players into storytellers | David Cage
Have you ever watched a film or read a novel, wishing that you could change the narrative to save your favorite character? Game designer David Cage allows you do just that in his video games, where players make decisions that shape an...
SciShow
How Do Insects Survive the Winter?
Birds fly south, humans bundle up, but what do insects do to survive the winter? From creating antifreeze-like alcohols to burrowing in the ground, bugs have a few solutions to carry on.
SciShow
Why You Probably Can’t Predict Your Own Happiness
Humans generally have a good idea of whether something will make us happy or unhappy, but it turns out we’re not great at knowing exactly how much.
TED-Ed
TED-Ed: What is love? - Brad Troeger
Is love a signal winding through your neural pathways? A cliche? A cult? Love is easy to compare but difficult to define, maybe because we're fundamentally biased; we try to define love while falling in or out of it. And love feels...
SciShow
Does Everyone Have a ‘Midlife Crisis’?
Midlife crises are a common plot device in films, TV shows, and books. Like most psychological phenomena, though, they don’t always get it quite right.
Be Smart
Is Inheritance Really All In Our Genes?
Epigenetic inheritance is really weird, but is it real?
TED Talks
TED: Lessons from the longest study on human development | Helen Pearson
For the past 70 years, scientists in Britain have been studying thousands of children through their lives to find out why some end up happy and healthy while others struggle. It's the longest-running study of human development in the...
SciShow Kids
Animals with Winter Coats!
Have you ever wondered how animals stay warm in the winter? Learn all about their natural cozy coats and the other awesome tricks they use to make it through the cold conditions!
Crash Course
What Is a Good Life?: Crash Course Philosophy
In our final episode of Crash Course Philosophy, we consider what it means to live a good life. We’ll look at the myth of Sisyphus, Robert Nozick’s experience machine, Aristotle’s eudaimonistic picture of a good human life, and the...
SciShow
Your Nose Does More Than You Give It Credit For
You might thank your nose for letting you experience the lovely aromas of a good soup, but you probably wouldn't think to thank it for helping you experience other people's emotions!
Crash Course
Henrietta Lacks, the Tuskegee Experiment, and Ethical Data Collection - Crash Course Statistics
Today we’re going to talk about ethical data collection. From the Tuskegee syphilis experiments and Henrietta Lacks’ HeLa cells to the horrifying experiments performed at Nazi concentration camps, many strides have been made from...
Crash Course
Existentialism: Crash Course Philosophy
Now that we’ve left behind the philosophy of religion, it’s time to start exploring what other ways might exist to find meaning in the world. Today we explore essentialism and its response: existentialism. We’ll also learn about...
Crash Course
Ancient Egypt Crash Course World History
In which John covers the long, long history of ancient Egypt, including the Old, Middle and New Kingdoms, and even a couple of intermediate periods. Learn about mummies, pharaohs, pyramids and the Nile with John Green.
Crash Course
The Impacts of Social Class: Crash Course Sociology
This week we are building on last week’s outline of American stratification to explore how class differences affect people’s daily lives. We’ll explore variations in everything from values & beliefs to health outcomes, and look at how...
SciShow
3 Reasons Mosquitoes Suck
Hank gives you at least three reasons to like mosquitoes even less than you do already, and tells you how you can literally decrease world suck by fighting mosquito-borne disease.