The Inca Empire used bundles of knotted string called khipu to store and convey information. But how do you read a bunch of strings? And was this a unique form of writing... or knot?<b<br/>r/>

Hosted by: Stefan Chin

There's an eclipse coming up in April of 2024! You'd think it takes a lot of modern technology for us to know about it, but it turns out that humans have been able to predict eclipses for nearly three thousand years. And we've been...

You can complain about having the longest day ever today, and here is the science to prove it!

The year was 1776. In Bavaria, new ideals of rationalism, religious freedom and universal human rights competed with the Catholic church's heavy influence over public affairs. Adam Weishaupt, a law professor frustrated with the Church's...

A perfumer from Ancient Babylon named Tapputi-Belatekallim is possibly history's first recorded chemist, and some of the techniques she used are still in practice today.

Sampling isn't about "hijacking nostalgia wholesale," says Mark Ronson. It's about inserting yourself into the narrative of a song while also pushing that story forward. In this mind-blowingly original talk, watch the DJ scramble 15 TED...

The myth of the Minotaur tells the story of an enraged beast forever wandering the corridors of a damp labyrinth, filled with a rage so intense that its deafening roar shakes the earth. But is this story just fiction, or an attempt of...

Why are some athletes able to crush world records when other records remain unbroken for years? The answer has to do with the kind of materials used in the competition and the type of athletic event one is competing in. Hank Green...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences.



"Freakonomics" author Steven Levitt presents new data on the finances of drug dealing. Contrary to...

SciShow News explains the science behind the latest virus outbreak in the U.S., and examines surprising new predictions about the future of the world’s human population.

You can complain about having the longest day ever today, and here is the science to prove it!

For generations, record collectors have played a vital role in the preservation of musical and cultural heritage by "digging" for obscure music created by overlooked artists. Alexis Charpentier shares his love of records -- and stories...

In this episode of Crash Course History of Science, we travel to the Americas to ask the question, "When are we?" and get some answers. We'll look at the Maya, Inca, and Olmec civilizations and how they recorded their science.

As the number of _potentially habitable" planets that astronomers find continues to rise, we seem ever closer to answering the question, _Are we alone in the universe?" But should we be looking for life elsewhere? If we were to find life...

China has pledged to be carbon neutral by 2060 -- and its citizens are helping industries across the country reach that goal. Environmentalist Ma Jun introduces the Blue Map, an app that empowers people to report pollution violations in...

Evidence strongly suggests that men have, on average, a shorter lifespan than women, but scientists aren't exactly sure why that is. Check out today's QQ to learn more about this mortality mystery.

In which John Green continues discussing George Orwell's 1984. Today we're talking about what the novel 1984 has to say about what some have called today's surveillance society. We'll also look at the idea that language can be used as a...

The year is 432 BCE. As dawn breaks over Athens, Pheidias is already late for work. He is the chief builder for the Parthenon — Athens' newest and largest temple— and when he arrives onsite, city officials accuse him of embezzling gold...

Before empires and royalty, before pottery and writing, before metal tools and weapons – there was cheese. As early as 8000 BCE, Neolithic farmers began a legacy of cheesemaking almost as old as civilization. Today, the world produces...

Certain moments in our lives seem to last forever. Whether it is a first kiss or a car crash, time can seem to stretchor even stop. Aaron Sitze explains how this sensation is conveyed in cinema and how the same conventions can be used to...

This brief introduction to distribution elaborates on what constitutes data distribution and the kinds of distribution you will learn about.

Money Kids Secrets of Successful Black Entrepreneurs - How Can I Do That V1-0005

Sean Combs, also known as Puff Daddy, P Diddy, and Brother Love, is a multi-talented entrepreneur and music mogul who has achieved immense success in...

Suffering from vinyl lust? Vinyl Hero may be Hong Kong's only cure for ailing beat junkies, turntablists and record collectors. Paul Au's seemingly makeshift store boasts a mountain of a collection - vintage vinyl ranging from the pop...

Proof in Hong Kong that vinyl will outlast CDs.Mr. Au is a super engaging storyteller that immediately grabbed our attention. One of HK’s long-time local entrepreneurs whose passion for the classics has brought a valuable and unique...