Community Ecology II: Predators – Crash Course Ecology #5

Community Ecology II: Predators – Crash Course Ecology #5

Of all the ways that species interact on this planet, maybe the one that fascinates us the most is predation, and why not? It’s hard not to be captivated by, say, an Alaska Brown Bear, one of North America’s apex predators, even though they get much of their nutrition from nuts and bugs and berries. […]

Read More

Candide: Crash Course Literature #405

Candide: Crash Course Literature #405

Hello and welcome to Crash Course literature, the best of all possible Crash Courses, discussing the best of all possible novels here on the best of all possible sets. I am the best of all possible John Greens—which is saying something, because there are a lot of us. Today we’re discussing “Candide, or Optimism” a […]

Read More

Lord of the Flies: Crash Course Literature 305

Lord of the Flies: Crash Course Literature 305

Hi, I’m John Green. This is Crash Course Literature and today we’re gonna discuss Lord of the Flies. Mr Green! Mr Green! I hate that book. You know, Me From The Past, I’ve been thinking a lot about selfhood lately. Like, how is it that I am still the same technical person I was when […]

Read More

Free Will, Witches, Murder, and Macbeth (Part 1): Crash Course Literature #409

Hi, I’m John Green, this is Crash Course Literature and today we’ll be discussing Macbeth. Some people… …call it the Scottish play or the Bard’s play because allegedly, back in the 17th century a coven of witches cursed the play to punish Shakespeare for including their spells. But that’s just not credible. So I’m going […]

Read More

How Do Colonies Help Microorganisms Survive?

How Do Colonies Help Microorganisms Survive?

Life in the microcosmos is tough for its unicellular residents. Prokaryotes and protists have to compete for food and space while also trying to avoid organisms that are more than happy to see all of their complex, energy-filled biological bits as an afternoon snack, and managing those tasks can be even more daunting when you […]

Read More

Life in a Mars Colony

Life in a Mars Colony

We’ve talked a lot about what it would take to get humans to Mars, and even what a colony on Venus might look like. But soon we might give a few people one-way tickets to the Red Planet. So how are they gonna survive? Turns out, scientists and engineers have been thinking about colonizing space […]

Read More

The Handmaids Tale Part 1: Crash Course Literature #403

The Handmaids Tale Part 1: Crash Course Literature #403

Hi, I’m John Green. This is Crash Course Literature and last week we wrapped up our discussion of George Orwell’s 1984. Lately here at Crash Course, we’ve been a bit preoccupied with dystopias — which is to say, imagined futures where things have gone horribly wrong. You know, as opposed to the present. I’ve always […]

Read More

Why Are Vegetarians Annoying? (An Exploration of a Cultural Rift)

Why Are Vegetarians Annoying? (An Exploration of a Cultural Rift)

Good morning, John! Let’s have this conversation. I feel like I’ve recently decided I just wanna have lots of really tough conversations on VlogBrothers. Let’s, let’s take these… let’s face it head on! John, I have a problem. And its name is meat. Let’s get this out of the way, there’s definitely some conflict going […]

Read More

Race & Ethnicity: Crash Course Sociology #34

Race & Ethnicity: Crash Course Sociology #34

How do you define race? If you had to describe why you think you’re a member of one race and someone else was a member of a different one, you’d probably focus on appearances – your skin, your hair, maybe even the structures of your bodies and faces. But most of the time, those physical […]

Read More

1984 by George Orwell, Part 1: Crash Course Literature 401

1984 by George Orwell, Part 1: Crash Course Literature 401

Hi I’m John Green and welcome to season 4 of CrashCourse literature. Today, we’re transporting you to one of my favorite (slash least favorite) dystopias, George Orwell’s 1984. I feel like that eye is looking at me. The book starts like this: It was a bright cold day in April and the clocks were striking […]

Read More