TED Talks
Ted: Ted Ed: Building a Dinosaur From a Chicken
Renowned paleontologist Jack Horner has spent his career trying to reconstruct a dinosaur. He's found fossils with extraordinarily well-preserved blood vessels and soft tissues, but never intact DNA. So, in a new approach, he's taking...
TED Talks
Ted: Ted Ed: How Quantum Mechanics Explains Global Warming
You've probably heard that carbon dioxide is warming the Earth. But how exactly is it doing it? Lieven Scheire uses a rainbow, a light bulb and a bit of quantum physics to describe the science behind global warming. [5:01]
TED Talks
Ted: Ted Ed: Why I Must Speak Out About Climate Change
Top climate scientist James Hansen tells the story of his involvement in the science of and debate over global climate change. In doing so he outlines the overwhelming evidence that change is happening and why that makes him deeply...
TED Talks
Ted: Ted Ed: Inside the Ant Colony
Ants have one of the most complex social organizations in the animal kingdom; they live in structured colonies that contain different types of members who perform specific roles. Deborah M. Gordon explains the way these incredible...
TED Talks
Ted: Ted Ed: How Heavy Is Air?
Too often we think of air as empty space- but compared to a vacuum, air is actually pretty heavy. Dan Quinn describes the fundamentals of air pressure and explains how it affects our bodies, the weather, and the universe at large. [3:19]
TED Talks
Ted: Ted Ed: How to Speak Monkey: The Language of Cotton Top Tamarins
Anne Savage teaches a few cotton-top tamarin chirps and calls, taking us through a day in the life of Shakira the tamarin as Shakira signals to her family, talks to her food and warns against potential predators. [5:14]
TED Talks
Ted: Ted Ed: Attack of the Killer Algae
As benign as it may look up close, the tiny seaweed Caulerpa taxifolia can wreak quite a bit of havoc on coastal ecosystems. This super algae is very adaptable; it also grows fast and spreads easily. Eric Noel Munoz gives the details of...
TED Talks
Ted: Ted Ed: Tycho Brahe, the Scandalous Astronomer
Dan Wenkel dives into the history behind 16th century astronomer, Tycho Brahe explaining how he continued to inspire intrigue even after his death. [4:08]
TED Talks
Ted: Ted Ed: The Colossal Consequences of Supervolcanoes
In 1816, Europe and North America were plagued by heavy rains, odd-colored snow, famines, strange fogs and very cold weather well into June. Though many people believed it to be the apocalypse, this "year without a summer" was actually...
TED Talks
Ted: Ted Ed: The Fundamentals of Space Time: Part 3
In this third and final lesson, CERN scientists Andrew Pontzen and Tom Whyntie explore what gravity means for space-time- or rather, what space-time means for gravity. [3:27]
TED Talks
Ted: Ted Ed: The Fundamentals of Space Time: Part 2
In this second installment of a three-part series on space-time, CERN scientists Andrew Pontzen and Tom Whyntie use a space-time diagram to analyze the sometimes confounding motion of light. [4:50]
TED Talks
Ted: Ted Ed: Making Sense of a Visible Quantum Object
Physicists are used to the idea that subatomic particles behave according to the bizarre rules of quantum mechanics, completely different to human-scale objects. In a breakthrough experiment, Aaron O'Connell has blurred that distinction...
TED Talks
Ted: Ted Ed: How Tsunamis Work
The immense swell of a tsunami can grow up to 100 feet, hitting speeds over 500 mph- a treacherous combination for anyone or anything in its path. Alex Gendler details the causes of these towering terrors and explains how scientists are...
TED Talks
Ted: Ted Ed: Climate Change: Earth's Giant Game of Tetris
There's a game of Tetris happening on a global scale: The playing space is planet Earth, and all those pesky, stacking blocks represent carbon dioxide- a greenhouse gas that is piling up ever more rapidly as we burn the fossil fuels that...
TED Talks
Ted: Ted Ed: How to Track a Tornado
In this TEDYouth Talk, Kosiba describes how she and her team use observations and modeling to track super storms, while sharing some incredible footage from the field.
TED Talks
Ted: Ted Ed: The Family Structure of Elephants
In this TEDYouth Talk, O'Connell-Rodwell details her work observing these incredible, social animals, examining several individual characters that play, bond and argue in tight-knit extended families eerily similar to our own.
TED Talks
Ted: Ted Ed: The Networked Beauty of Forests
Deforestation causes more greenhouse gas emissions than all trains, planes and automobiles combined. Suzanne Simard examines how the complex, symbiotic networks of our forests mimic our own neural and social networks- and how those...
TED Talks
Ted: Ted Ed: How Whales Breathe, Communicate and Fart With Their Faces
Comparative anatomist Joy Reidenberg explains how majestic whales "fart with their face" (a process more formally known as echolocation) to send their unique sounds through the water. [6:24]
TED Talks
Ted: Ted Ed: Why Is Ketchup So Hard to Pour?
Ever go to pour ketchup on your fries and nothing comes out? Or the opposite happens, and your plate is suddenly swimming in a sea of red? George Zaidan describes the physics behind this frustrating phenomenon, explaining how ketchup and...
TED Talks
Ted: Ted Ed: The Weird, Wonderful World of Bioluminescence
In the deep, dark ocean, many sea creatures make their own light for hunting, mating and self-defense. Bioluminescence expert Edith Widder brings some of her glowing friends onstage, and shows more astonishing footage of glowing undersea...
TED Talks
Ted: Ted Ed: The Fundamentals of Space Time: Part 1
In this first lesson of a three-part series on space-time, hilarious hosts Andrew Pontzen and Tom Whyntie go through the basics of space and time individually, and use a flip book to illustrate how we can begin to look at them together....
TED Talks
Ted: Ted Ed: From the Top of the Food Chain Down: Rewilding Our World
Our planet was once populated by megafauna, big top-of-the-food-chain predators that played their part in balancing our ecosystems. When those megafauna disappear, the result is a "trophic cascade," where every part of the ecosystem...
TED Talks
Ted: Ted Ed: Making Waves: The Power of Concentration Gradients
The constant motion of our oceans represents a vast and complicated system involving many different drivers. Sasha Wright explains the physics behind one of those drivers- the concentration gradient- and illustrates how our oceans are...
TED Talks
Ted: Ted Ed: What We Can Learn From Galaxies Far, Far Away
By studying the properties of the universe's largest pieces we can learn quite a lot about our own world and galaxy. [6:43]