Be Smart
Solving the Puzzle of Plate Tectonics
Why do Africa and South America fit together? Anyone who's ever looked at a map can see that Earth's continents are kind of like a jigsaw puzzle. The idea that continents are constantly moving and weren't always in their current spots is...
Crash Course
Revolutions in Science and Tech: Crash Course European History
In the decades following World War II, life changed in many ways, and a fair number of those changes were for the better. Many of those improvements were driven by advances in science and technology, in fields like biology,...
Crash Course
Intro to History of Science: Crash Course History of Science
Intro to History of Science: Crash Course History of Science #1
Be Smart
Why Vaccines Work
As more and more parents are choosing not to vaccinate their children or are vaccinating them later, diseases like measles are making a comeback. Are vaccines safe? How do vaccines work? Why do some people claim there is a link between...
TED Talks
TED: No one should die because they live too far from a doctor | Raj Panjabi
Illness is universal -- but access to care is not. Physician Raj Panjabi has a bold vision to bring health care to everyone, everywhere. With the 2017 TED Prize, Panjabi is building the Community Health Academy, a global platform that...
TED-Ed
TED-Ed: When is a pandemic over?
Consider the following scenario: a highly infectious, sometimes deadly respiratory virus infects humans for the first time. It spreads rapidly worldwide, and the WHO declares a pandemic. The death toll starts to rise and everyone is...
Crash Course
The Holocaust,Genocides, and Mass Murder of WWII: Crash Course European History
During World War II, Nazi Germany undertook the imprisonment and summary execution of many of its own citizens, and citizens of the nations they occupied. One of the groups that came under assault was the European Jewish population. More...
TED-Ed
TED-Ed: How do you know if you have a virus? | Cella Wright
A new virus emerges and spreads like wildfire. In order to contain it, researchers must first collect data about who's been infected. Two main viral testing techniques are critical: one tells you if you have the virus and the other shows...
TED-Ed
TED-ED: Why do animals form swarms? - Maria R. D'Orsogna
When many individual organisms come together and move as one entity, that's a swarm. From a handful of birds to billions of insects, swarms can be almost any size. They have no leader, and members interact only with their neighbors or...
Be Smart
Beavers: The Smartest Things in Fur Pants
Beavers have done more to shape North American landscapes than any animal beside humans. We don't notice them much today because there aren't many left, but before colonization, North America was home to hundreds of millions of these...
Bozeman Science
ESS3B - Natural Hazards
In this video Paul Andersen explains how natural disasters (like earthquakes, tsunamis, volcanoes and flooding) have affected and will continue to affect humans on the planet. Many of the natural hazards (like volcanoes and storms) can...
TED Talks
Jasmine Crowe: What we're getting wrong in the fight to end hunger
In a world that's wasting more food than ever before, why do one in nine people still go to bed hungry each night? Social entrepreneur Jasmine Crowe calls for a radical transformation to our fight to end global hunger -- challenging us...
Crash Course
The Sun & The Earth: Crash Course Big History
In which John Green, Hank Green, and Emily Graslie teach you about our Sun, and the formation of the planets. We're going to focus on the formation and development of the Earth, because that's where people live. You'll learn about the...
Curated Video
The Success and Legacy of David Beckham: From Football Hero to Business Icon
David Beckham, the iconic football player-turned-businessman, has established himself as a fashion icon, philanthropist, and influential figure in the world of endorsements. With a portfolio of major sponsors like Adidas and Pepsi, he...
Curated Video
The Rise of Lionel Messi: From Rosario to Football Superstar
This video highlights the rise of Lionel Messi from his struggles in Rosario to becoming one of the highest paid players in football. It explores his sponsorship deals with Adidas and Pepsi, his contract with FC Barcelona, and his...
Curated Video
The Dirty Truth About Our Clean Energy Future
In order to develop clean energy technology, specific rare earth metals like cobalt and nickel need to be harvested. These often come at a steep human and environmental cost– but what if there was another way? Some propose sourcing these...
Curated Video
Why the Fastest Place on Earth is Disappearing
The Bonneville Salt Flats are perfect for speed. Every year, cars and motorcycles break land speed records on the flat expanse of the Bonneville Salt Flats. It’s been a tradition for more than a century, and racers have built a thriving...
Curated Video
Why are There 30 Million Horseshoe Crabs on This Beach?
Every spring, the beaches of Delaware Bay play host to one of the world’s wildest parties. Millions of prehistoric crabs (and hundreds of thousands of birds) converge here. These horseshoe crabs spend most of their lives in the ocean...
Curated Video
How To Stop Your Poop From Killing Corals
Corals all over the world are threatened by warming ocean temperatures. But 30 years of data show that reefs off the Florida Keys could protect themselves from rising temperatures if they weren’t also dealing with nutrient pollution...
Curated Video
Climbers’ Paradise is the Last Refuge for an Ancient Species
It’s called the Land of Arches. With more than 100 natural sandstone arches, Kentucky’s Red River Gorge is a breathtaking natural spectacle. The gorge is considered one of the world’s premier rock climbing destinations. It’s also a haven...
Curated Video
Maradona: The Rise, Fall, and Redemption of a Football Legend
This video provides a glimpse into the life and struggles of Diego Maradona, the World Cup champion and football mega star. From his incredible on-field talent to his battles with addiction, marital issues, and health scares, Maradona's...
Curated Video
Molecular weight
The sum of the atomic masses of all the atoms in a molecule, usually expressed in atomic mass units. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
Fossil fuels
Fuel formed over millions of years, in conditions of high heat and pressure, from the fossilised remains of dead organic matter such as plants and animals. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds...