1491: Complete Series. This series tells us about indigenous peoples of the Americas before the Spanish explorer Columbus arrived. Each episode shows us via re-enactments about a particular subject. We learn about their art, architecture, archaeology, Sci...

Discover what makes Ludwig van Beethoven’s Symphony Number Five a musical masterpiece, and uncover the story behind its inception.

2,300 years ago, the rulers of Alexandria set out to fulfill a very audacious goal: to collect all the knowledge in the world under one roof. In its prime, the Library of Alexandria housed an unprecedented number of scrolls and attracted some of the Greek...

Hercules — son of Zeus and champion of humankind — stricken with a temporary curse of madness, has just committed the most unspeakable crime imaginable. Seeking to atone for the deaths of his family, Hercules must complete twelve impossible tasks that pit...

Like many heroes of Greek myths, the philosopher Hippasus was rumored to have been mortally punished by the gods. But what was his crime? Did he murder guests or disrupt a sacred ritual? No, Hippasus's transgression was mathematically proving the hitherto...

In the world of math, many strange results are possible when we change the rules. But there’s one rule that most of us have been warned not to break: don’t divide by zero. How can the simple combination of an everyday number and a basic operation cause su...

*least effort as possible*

A lot of people ask whether music theory is even necessary to learn – and if so, then what theory should they learn, and how much of it? I get many questions ranging from learning to read and write music, to learning ear training, to questions about orche...

A guide to the life and works of pianist and composer Franz Liszt, and what made him such an important figure in music history.

The Infinite Hotel, a thought experiment created by German mathematician David Hilbert, is a hotel with an infinite number of rooms. Easy to comprehend, right? Wrong. What if it's completely booked but one person wants to check in? What about 40? Or an i...

Twenty four hundred years ago, Plato, one of history’s most famous thinkers, said life is like being chained up in a cave forced to watch shadows flitting across a stone wall. Beyond sounding quite morbid, what exactly did he mean? Alex Gendler unravels P...

A thought experiment in quantum mechanics. Austrian physicist Erwin Schrödinger, one of the founders of quantum mechanics, posed this famous question: If you put a cat in a sealed box with a device that has a 50% chance of killing the cat in the next hou...

It’s obvious that knowing more than one language can make certain things easier — like traveling or watching movies without subtitles. But are there other advantages to having a bilingual (or multilingual) brain? Mia Nacamulli details the three types of b...

Why is grass green? Lets talk about Chlorophyll, Alien Plants and get down to why grass is really green!

There are three types of color receptors in your eye: red, green and blue. But how do we see the amazing kaleidoscope of other colors that make up our world? Colm Kelleher explains how humans can see everything from auburn to aquamarine.