If you see something wrong in the workplace, what should you do? Business leader Angélique Parisot-Potter says you should speak up, even when it's scary. Sharing her personal experience of voicing concerns at work, she offers three...

If you've ever taken a science or math class, you've probably seen the name "Bernoulli" -- and maybe you assumed it was one person, but that family had a squad of mathematicians.

Welcome to Crash Course Outbreak Science! What do pathogens actually do to us that makes us sick? Why do societies respond to outbreaks of infectious diseases the way they do? How can we stop the next outbreak? These are the kinds of...

Researchers have found that the expression of gratitude gives positive effects on our both mental and physical health.

Who is telling a story, and from what perspective, are some of the most important choices an author makes. Told from a different point of view, a story can transform completely. Third person, first person, and second person perspectives...

In which John Green teaches you about the Protestant Reformation. Prior to the Protestant Reformation, pretty much everyone in Europe was a Roman Catholic. Not to get all great man, but Martin Luther changed all that. Martin Luther...

You may have heard several different projections about the fatality rate of COVID-19. How do different health organizations come up with these figures, and why do the numbers seem so fluid?

Cities pump out 70 percent of all global carbon emissions -- which means they also have the greatest opportunity to lower CO2 levels and energy consumption. Climate and data scientist Angel Hsu shares how cities around the world are...

This week, we're starting our discussion of Mythical Creatures with the WORST creatures. Monsters. What makes a monster monstrous though? Mike Rugnetta will guide you through the fine line between a magical creature and a monster....

How do different societies establish a social hierarchy? Today we’re starting our unit on social stratification, starting with four basic principles of a sociological understanding of stratification. We’ll explain open and closed systems...

What is culture? How do we define it and how does it change? We’ll explore different categories of culture, like low culture, high culture, and sub-cultures. We'll also revisit our founding theories to consider both a structural...

In this TED archive video from 1998, paralympic sprinter Aimee Mullins talks about her record-setting career as a runner, and about the amazing carbon-fiber prosthetic legs (then a prototype) that helped her cross the finish line.

So how do we apply the scientific method to psychological research? Lots of ways, but today Hank talks about case studies, naturalistic observation, surveys and interviews, and experimentation. Also he covers different kinds of...

Our biases can be dangerous, even deadly — as we've seen in the cases of Michael Brown in Ferguson, Missouri, and Eric Garner, in Staten Island, New York. Diversity advocate Vernā Myers looks closely at some of the subconscious attitudes...

In 1942, a mother-daughter duo named Katharine Cook Briggs and Isabel Briggs Myers developed a questionnaire that classified people's personalities into 16 types. Called the Myers-Briggs Type Indicator, or MBTI, it would go on to become...

How can Daenerys Targaryen help us understand personal identity? Find out as Hank continues our exploration of personal identity, learning about Hume’s bundle theory and Parfit’s theory of survival through psychological connectedness.

How to Handle Conflict Crash Course Business - Soft Skills #13

How do sociologists study and understand social interaction? Today we’ll explain the language sociologists use to discuss how we interact with the social world. What are statuses and roles? How are they different? How do you acquire...

So, what do Batman and J.R.R. Tolkien have in common? Post Traumatic Stress Disorder. It used to be called "Shellshock" and it can be really really really destructive. In this episode of Crash Course Psychology, Hank lays out...

We’re continuing our exploration of conflict theories with W.E.B. Dubois, who is one of the founders of sociological thought more broadly and the founder of race-conflict theory. We’ll discuss shifting ideas about race, Dubois’ idea of...

Mice, bugs and hamsters are no longer the only way to study the brain. Functional MRI (fMRI) allows scientists to map brain activity in living, breathing, decision-making human beings. Read Montague gives an overview of how this...

What kinds of stories move us to act? To answer this question, creative technologist Heidi Boisvert is measuring how people's brains and bodies unconsciously respond to different media. She shows how she's using this data to determine...

Cannibalism may actually make a community healthier, but maybe don't try it at home.

Paul Andersen explains simple Mendelian genetics. He begins with a brief introduction of Gregor Mendel and his laws of segregation and independent assortment. He then presents a number of simple genetics problems along with their...