Eye vs. camera – Michael Mauser

Watch the center of this disk. You are getting sleepy. No, just kidding. I’m not going to hypnotize you. But are you starting to see colors in the rings? If so, your eyes are playing tricks on you. The disk was only ever black and white. You see, your eyes don’t always capture the world Read more…

How photography connects us – David Griffin

[Music] [Applause] let’s just start by looking at some great photographs this is an icon of National Geographic an Afghan refugee taken by Steve McCurry but the Harvard Lampoon is about to come out with a parody of National Geographic and I shudder to think what they are going to do to this photograph oh Read more…

Illuminating photography: From camera obscura to camera phone – Eva Timothy

Translator: Andrea McDonough Reviewer: Bedirhan Cinar Let me guess, you’ve got Facebook albums full of photos. You have photos on your computer desktop, on your mobile phone, on your bedroom wall. You see photos in magazines and newspapers, on the side of buses, and of course, in your family albums. We take photos for granted Read more…

Can you solve the prisoner hat riddle? – Alex Gendler

You and nine other individuals have been captured by super intelligent alien overlords. The aliens think humans look quite tasty, but their civilization forbids eating highly logical and cooperative beings. Unfortunately, they’re not sure whether you qualify, so they decide to give you all a test. Through its universal translator, the alien guarding you tells Read more…

Can you solve the pirate riddle? – Alex Gendler

It’s a good day to be a pirate. Amaro and his four mateys, Bart, Charlotte, Daniel, and Eliza have struck gold: a chest with 100 coins. But now, they must divvy up the booty according to the pirate code. As captain, Amaro gets to propose how to distribute the coins. Then, each pirate, including Amaro Read more…

How Folding Paper Can Get You to the Moon

How many times can you fold a piece of paper? Assume that one had a piece of paper that was very fine, like the kind they typically use to print the Bible. In reality, it seems like a piece of silk. To qualify these ideas, let’s say you have a paper that’s one-thousandth of a Read more…

History vs. Genghis Khan – Alex Gendler

He was one of the most fearsome warlords who ever lived, waging an unstoppable conquest across the Eurasian continent. But was Genghis Khan a vicious barbarian or a unifier who paved the way for the modern world? We’ll see in “History vs. Genghis Khan.” “Order, order. Now who’s the defendant today? Khan!” “I see Your Read more…

What are those floaty things in your eye? – Michael Mauser

Have you ever noticed something swimming in your field of vision? It may look like a tiny worm or a transparent blob, and whenever you try to get a closer look, it disappears, only to reappear as soon as you shift your glance. But don’t go rinsing out your eyes! What you are seeing is Read more…

Oxygen’s surprisingly complex journey through your body – Enda Butler

You breathe in about 17,000 times per day. It’s a process you rarely think about, but behind the scenes, a huge coordinated effort is playing out. Your vital organs, the gut, brain, bones, lungs, blood, and heart work together to sustain your life by delivering oxygen to tissues throughout your body. Most of our cells Read more…

The five major world religions – John Bellaimey

Translator: Andrea McDonough Reviewer: Jessica Ruby In all times and places in our history, human beings have wondered, “Where did we come from? What’s our place in the world? What happens to us after we die?” Religions are systems of belief that have developed and evolved over time in response to these and other eternal Read more…