Today, John Green is going to be your substitute teacher as we dive into the world of sports! Now ��_sports��_ is a pretty broad genre of game, we probably couldn't even cover them in an entire series, but today we're going to do...

In which John Green teaches you about Kurt Vonnegut's most famous novel, Slaughterhouse-Five. Vonnegut wrote the book in the Vietnam era, and it closely mirrors his personal experiences in World War II, as long as you throw out the time...

In which Hank and John Green teach you about life on Earth. They won't be giving advice on how life should be lived, because this is a history series. Instead, they'll teach you about the earliest forms of life on Earth, and some of the...

We are surrounded by wildlife, like pigeons and squirrels, all the time. Sadly, all those animals eventually die, but why don't we see carcasses on the street? Where do they go?

Paul Andersen explains how changes in the signal transduction pathway can affect organisms. He begins with a brief discussion of the tetrodotoxin produced by the California Newt and then explains how anthrax affects adenylate cyclase...

Last week scientists announced that they’ve likely identified the very first astrophysical source of high-energy neutrinos.

The previous videos in this series:

Chapter 1: Why Relativity is
Hard
Chapter 2: Spacetime
Diagrams
Chapter 3: Lorentz T

ransformations

This video is chapter 4 in my series on special relativity, and it...

The internet is full of all sorts of wild claims about shadow governments, lizard people, and the shape of the earth. How can these stories inspire tin foil hats despite hard evidence against them?

Gamma-ray bursts are not only incredible to study, but their discovery has an epic story all its own. Today Phil takes you through some Cold War history and then dives into what we know. Bursts come in two rough varieties: Long and...

In this video Paul Andersen shows conceptual thinking in a mini-lesson on stability and change. Two examples are included in the video and two additional examples are included in the linked thinking slides. ...

About 66 million years ago, a terrible extinction event wiped out the dinosaurs. But it wasn't the only event of this kind -- extinctions of various severity have occurred throughout the Earth's history -- and are still happening all...

Kurt Vonnegut found the tidy, satisfying arcs of many stories at odds with reality, and he set out to explore the ambiguity between good and bad fortune in his own novels. He tried to make sense of human behavior by studying the shapes...

We can learn a lot about our galaxy by looking to the stars, but we can also reveal a lot about our cosmic history from... Dead trees?

Think natural disasters are bad? Humans do a pretty good job on our own. Michael Aranda co-hosts this infusion to explain.

What is the best life we can live? How can we cope with whatever the universe throws at us and keep thriving nonetheless? The ancient Greco-Roman philosophy of Stoicism explains that while we may not always have control over the events...

Imagine a game played with two players and two dice: if the biggest number rolled is one, two, three, or four, player 1 wins. If the biggest number rolled is five or six, player 2 wins. Who has the best probability of winning the game?...

This episode of Space Time is actually about Spacetime, so pull up a chair, grab your favorite snack, and buckle up, because this episode is going to be a TRIP. Gabe explores what reality is, what "time" is, and why what you think those...

In which we continue our exhaustive look at One Hundred Years of Solitude by Gabriel Garcia Marquez.

How do we comprehend a storm like Hurricane Harvey? Let's put it into perspective.

A short explanation of why Bayes' theorem is true, together with discussion on a common misconception in probability

Do we really have free will? Today Hank explores possible answers to that question, explaining theories like libertarian free will and it’s counterpoint, hard determinism.

A samurai is found dead in a quiet bamboo grove. One by one, the crime's only known witnesses recount their version of the events. But as they each tell their tale, it becomes clear that every testimony is plausible yet different. And...

With the advent of the Internet and social media, news is distributed at an incredible rate by an unprecedented number of different media outlets. How do we choose which news to consume? Damon Brown gives the inside scoop on how the...

It's the final episode of our History of Science series and we thought it would be good to talk a little about some of the people we couldn't get to and some of the reasons we need to talk about diversity in scientists. Thanks for the...