The shipping industry is vital to the global economy, but it's also a huge contributor to the climate crisis. Morten Bo Christiansen, a leader of the energy transition for the global shipping company A.P. Moller – Maersk, talks to TED's...

Chernobyl is an HBO mini-series that reintroduced the world to the nuclear catastrophe that occurred on April 26th, 1986 at the Chernobyl nuclear reactor in the Soviet Union, in what is now Ukraine. The series followed the tragedy that...

In this short video lesson we will compare a numerical and a verbal expression to answer a standardized math test question. We will identify the numerical expression. We will identify and interpret the verbal expression. We will...

No, a straight line isn't always the shortest distance between two points. The shortest distance depends on the geometry of the object or surface in question. While a straight line is the shortest distance between two points on a flat...

In this video, the teacher helps students understand how to compare numerical and word expressions in a standardized math test question. They go through six answer choices and explain which three are correct, using order of operations...

European researchers claim to have developed a composite material that is basically uncuttable, so with this material, your bike might never be stolen.

Venice is sinking. To save it, Rachel Armstrong says we need to outgrow architecture made of inert materials and, well, make architecture that grows itself. She proposes a not-quite-alive material that does its own repairs and sequesters...

For millennia, the people of Britain had been using bronze to make tools and jewelry, and as a currency for trade. But around 800 BCE, that began to change: the value of bronze declined, causing social upheaval and an economic crisis—...

It's always a little weird when a couple looks like they could be related, but Brit explains the science behind why it's not totally creepy! It involves percentages and kind of uncomfortable rating systems!

Many companies have offered diversity trainings to teach their employees about implicit biases. But what does that mean, and is it really helping anything?

A lot of our knowledge of the inner solar system was gained fairly recently, and the Mariner program led the way!

You’re enjoying a nice simulated drive using your VR headset, when you’re suddenly jolted with nausea. What is causing this gross feeling? Check out this episode to learn how sensory input and VR simulation can throw your body off....

Sugars aren’t just for munching and crunching, they also make up our genetic code! So what does it mean to find sugars INSIDE meteorites?

From birds with no wings to giant fowl that were once mistaken for predators, here are 6 birds that who's strange features may not be what you think of when you think of birds!

Did Thomas Edison invent the lightbulb? I mean... kind of... but also... no. Every great, world-changing invention is the culmination of efforts by dozens or hundreds of people, spanning decades or centuries. Hosted by: Hank Green...

Beware: Rives has a contagious obsession with 4 a.m. At TED2007, the poet shared what was then a minor fixation with a time that kept popping up everywhere. After the talk, emails starting pouring in with an avalanche of hilarious...

Climate change is unfair. While rich countries can fight against rising oceans and dying farm fields, poor people around the world are already having their lives upended -- and their human rights threatened -- by killer storms,...

In October 2017, astrobiologist Karen J. Meech got the call every astronomer waits for: NASA had spotted the very first visitor from another star system. The interstellar comet -- a half-mile-long object eventually named `Oumuamua, from...

Jessi and Squeaks learn some amazing turkey facts, from the sounds they make to what their poop looks like!

Fraud researcher and documentary filmmaker Kelly Richmond Pope shares lessons from some of the most high-profile whistle-blowers of the past, explaining how they've shared information that has shaped society -- and why they need our...

Aspirations are rising as never before across the world, thanks in large part to smartphones and the internet -- will they be met with opportunity or frustration? As President of the World Bank Group, Jim Yong Kim wants to end extreme...

In which Mike Rugnetta sits you down for a little talk about myth as a way to construct or reinforce social orders. Specifically, we're going to look today at stories from around the world that establish or amplify the idea that the...

Gregory Heyworth is a textual scientist; he and his lab work on new ways to read ancient manuscripts and maps using spectral imaging technology. In this fascinating talk, watch as Heyworth shines a light on lost history, deciphering...

Space is where things happen. Time is when things happen. And sometimes, in order to really look at the universe, you need to take those two concepts and mash them together. In this first lesson of a three-part series on space-time,...