Hormonal birth control has completely changed the game in health and letting people choose if and when they want to become pregnant. And like any medical treatment, it comes with some risks.

Co-ops date back almost 200 years, run by groups of people that work together to own and operate a company. What does it look like when this tried-and-true business model merges with the digital economy? Trebor Scholz introduces the...

Imagine that you've been unemployed for months. Government benefit programs have helped you cover your expenses, but you're barely getting by. Finally, you receive a paycheck— but there's a catch. Your new job pays enough to disqualify...

Today we explore the penultimate ethical theory in this unit: contractarianism. Hank explains Hobbes’ state of nature, and implicit and explicit contracts, as well as the Prisoner’s Dilemma, and the benefits, and costs, of violating...

Conventional wisdom about diets, including government health recommendations, seems to change all the time. And yet ads routinely come out claiming to have THE answer about what we should eat. So how do we distinguish what's actually...

In which John Green teaches you about the New Deal, which was president Franklin D. Roosevelt's plan to pull the united States out of the Great Depression of the 1930's. Did it work? Maybe. John will teach you about some of the most...

We’ve told you before that there really isn’t any evidence that animals consume mind-altering substances because they feel good to them. This makes it appear that the fondness for psychoactive drugs is, pretty...human. What is it about...

People used to say being bilingual was bad for your brain. Now, we know that's not true—but does it actually make you smarter?

Want to learn more about the topic in this week's video? Here's a keyword to get your googling started: herd immunity: immunity that occurs when the vaccination of a portion of a population provides protection for individuals who have...

When many individual organisms come together and move as one entity, that's a swarm. From a handful of birds to billions of insects, swarms can be almost any size. They have no leader, and members interact only with their neighbors or...

Research shows that helping others makes us happier. But in her groundbreaking work on generosity and joy, social psychologist Elizabeth Dunn found that there's a catch: it matters how we help. Learn how we can make a greater impact --...

How do coral reef conservationists balance the environmental needs of the reefs with locals who need the reefs to survive? Joshua Drew draws on the islands of Fiji and their exemplary system of protection, called "connectivity", which...

Around the world, Indigenous food cultures vanish because of industrialized agriculture and a shifting, Western-influenced concept of the ideal diet. Food researcher Aparna Pallavi explores why once-essential culinary traditions...

There are many different approaches to modern yoga— though most forms have three core elements: physical postures, breathing exercises, and spiritual contemplation.This blend of physical and mental exercise is widely believed to have a...

The victory of the underdog. The last minute penalty shot that wins the tournament. The training montage. Many people love to glorify victory on the field, cheer for teams, and play sports. But should we be obsessed with sports? Are...

We're finally to the end of our time together here on Crash Course Study Skills, so this week we're taking a more holistic approach to being the best learner you can. Part of taking care of your brain is taking care of your whole body,...

New ReviewA question I get asked a lot is ‘When should I develop a business case for my project?’ That's the question I answer in this video. This video is not about what a business case is, nor about how to create one.

New ReviewIn this video, I consider the question, ’when should you handover your project deliverables?’ and look at how to do it. Project Handover is passing products from the project, into beneficial use and routine maintenance.

Political talk is getting more and more serious around Medicare for All in the United States. The argument, as usual comes down to costs. One of the advantages that proponents always bring up are the very low administrative costs of...

Health economists study the economic determinants of health. They also analyze how health care resources are utilized and allocated, and how health care policies and quality of care can be improved. In this episode, we discuss what...

Today we're talking about Wegovy, which is a new prescription drug approved to treat obesity. It's also called semaglutide, and it was initially approved to treat diabetes, but studies have indicated it is effective for weight loss....

We've talked in the past about the positives of Marijuana use. What are the harms? From pregnancy effects to impaired driving to memory and concentration, Aaron will tell you how pot might hurt you.

In a new rule about coverage of contraception, the Trump administration argues that birth control is bad for your health. But it's a claim that doesn't stand up to scrutiny. That's the topic of this week's Healthcare Triage.

The latest and greatest gadget from Apple, the Watch Series 4, has doubled down on the health monitoring game, and is sporting an electrocardiogram, or ECG, function. But how useful is this thing? Does it make sense to monitor lots of...