If you're feeling anxious about climate change, you're not alone, but taking steps to help the world might also help you.

Activist Caroline Casey tells the story of her extraordinary life, starting with a revelation (no spoilers). In a talk that challenges perceptions, Casey asks us all to move beyond the limits we may think we have.

Keith Bellows gleefully outlines the engineering marvels of the camel, a vital creature he calls "the SUV of the desert." Though he couldn't bring a live camel to TED, he gets his camera crew as close as humanly possible to a one-ton...

Self-driving cars are already cruising the streets today. And while these cars will ultimately be safer and cleaner than their manual counterparts, they can't completely avoid accidents altogether. How should the car be programmed if it...

Anyone who has lost a loved one to pancreatic cancer knows the devastating speed with which it can affect an otherwise healthy person. TED Fellow and biomedical entrepreneur Laura Indolfi is developing a revolutionary way to treat this...

The actual path of a raindrop as it goes down the valley is unpredictable, but the general direction is inevitable, says digital visionary Kevin Kelly -- and technology is much the same, driven by patterns that are surprising but...

Autonomous cars are coming -- and they're going to drive better than you. Chris Gerdes reveals how he and his team are developing robotic race cars that can drive at 150 mph while avoiding every possible accident. And yet, in studying...

Statistically, the least reliable part of the car is ... the driver. In 2015, Chris Urmson was head of Google's driverless car program, one of several efforts to remove humans from the driver's seat. He shares fascinating footage that...

Using robotics, laser rangefinders, GPS and smart feedback tools, Dennis Hong is building a car for drivers who are blind. It's not a "self-driving" car, he's careful to note, but a car in which a non-sighted driver can determine speed,...

When disaster strikes, who's first on the scene? More and more, it’s a robot. In her lab, Robin Murphy builds robots that fly, tunnel, swim and crawl through disaster scenes, helping firefighters and rescue workers save more lives safely...

Though our Sun is something we can count on to rise and set each day, it also comes with some phenomena that can catch us by surprise: solar winds. To better predict when these winds will travel all the way to Earth, we sent the Parker...

The useful glare-blocking properties of polarized sunglasses are well-known to just about anyone who goes outside. What isn't so well-known is how they reduce glare in the first place. That answer is deceptively complicated!

For most of us, our bodies are interacting with phones nearly all the time, whether we're looking at screens, listening to music, or carrying them in our pockets. If you are wondering about the health implications of a world filled with...

Using your phone while you're driving isn't a great idea, but people still do it all the time anyway! So why do our brains tell us it's ok to take our attention off the road? Are other distractions, like eating or talking to passengers,...

In this video Paul Andersen explains how energy can neither be created nor destroyed but may be transferred. Energy comes in many forms (including chemical, mechanical, light, electrical, and thermal). In AP Chemistry students must be...

Left vs Right

Today a white truck crane came to Doctor Mac Wheelie's house. He wants to become multi-colored. Doctor Mac Wheelie took out her colored pencils and started to color the crane. She colored the wheels black, the frame, the boom, and the...

“A Trip to the Moon” describes some objects found in space, including the moon.

How much does weed affect your driving? Why is it on the news so much? This is Healthcare triage News.

In this shorts video we will be writing a real world linear system. We will recognize that each equation in the given systems is written in slope-intercept form. We will understand that m represents the slope which is the unit rate in...

High in the Andes, lies the world's largest reserves of the mineral lithium which is likely to help power the electric and hybrid vehicles of the future. The lithium is locked in the brine of Salar de Uyuni, the largest salt flats in the...

Wondering how to navigate around Italy? The country’s long-distance railroad system is excellent, and if time isn’t an issue, traveling by train can be an absolute pleasure. And, all the while, you’ll have incredible views of beautiful,...

The legal system of Saudi Arabia is based on Sharia. Sharia is the paramount body of Islamic law, a collection of fundamental principles derived from different sources including the Holy Quran, the Sunna—the sayings and traditions of the...

64 Classic Jokes