TED Talks
Howard Rheingold: The new power of collaboration
Howard Rheingold talks about the coming world of collaboration, participatory media and collective action -- and how Wikipedia is really an outgrowth of our natural human instinct to work as a group.
SciShow
Plants Are Way Cooler Than We Give Them Credit For
Plants! If oxygen and good smells aren't enough for you, here's a collection of episodes that might win you over.
SciShow
The First Neutron Star Collision We've Ever Seen
The results are in from the neutron star collision this past August! Astronomers are revealing what they've learned so far, with more pure gold research underway!
Crash Course
Carboxylic Acid Derivatives - Interconversion & Organometallics: Crash Course Organic Chemistry
We get it, learning so many different organic reactions is probably giving you a headache, but hopefully this episode can help! We’re getting even deeper into carboxylic acid derivatives, some of which are used in common headache...
TED-Ed
TED-ED: The science of skin color - Angela Koine Flynn
When ultraviolet sunlight hits our skin, it affects each of us differently. Depending on skin color, it'll take only minutes of exposure to turn one person beetroot-pink, while another requires hours to experience the slightest change....
TED-Ed
TED-Ed: Why is meningitis so dangerous? - Melvin Sanicas
In 1987, thousands of people gathered in Saudi Arabia for the annual Hajj pilgrimage. But what started out as a celebration led to a worldwide health crisis: more than 2,000 cases of meningitis broke out, spreading across Saudi Arabia...
TED-Ed
TED-ED: Can 100% renewable energy power the world? - Federico Rosei and Renzo Rosei
Every year, the world uses 35 billion barrels of oil. This massive scale of fossil fuel dependence pollutes the earth, and it won't last forever. On the other hand, we have abundant sun, water and wind, which are all renewable energy...
Be Smart
6 Chemical Reactions That Changed History
From fire to food, check out these life-altering reactions that surround us everyday.
SciShow
IDTIMWYTIM Radiation
Hank explains the whole story about radiation - the good, the extremely helpful, and the bad.
Crash Course
Indian Pantheons: Crash Course World Mythology
In which Mike Rugnetta continues our unit on pantheons with the complex Indian pantheon, focusing on stories that were written in Sanskrit. We start with a violent creation story. We talk about the concept of Brahman, and the...
Crash Course
Fluid Flow & Equipment: Crash Course Engineering #13
Today we’ll dive further into fluid flow and how we can use equipment to apply our skills. We explain Bernoulli’s Principle and the relationship between speed and pressure in certain flowing fluids. We’ll also discuss how to apply the...
SciShow
Are Those Really Blackheads?
Do you just hate those little bumps all over your nose? Don't be a hater, they're just doing their job! Learn how in this SciShow Quick Question.
Crash Course
To the Lighthouse: Crash Course Literature 408
John Green teaches you about Virginia Woolf's modernist novel, To the Lighthouse. Let's face it. You're not reading To the Lighthouse for the plot. There's not a whole lot of plot, unless you count the tension about the beef stew. You're...
PBS
Is Twitter the Newest Form of Literature?
Everyone is familiar with Twitter, the uber-popular micro-blogging site, which limits the user to 140 characters. The tweet is perfect for sharing your favorite links and updating the world about your life, but it might also be the...
Crash Course Kids
The Great Aqua Adventure
Water travels... a lot. In fact, the water cycle is amazing and takes water all over the planet by using evaporation, condensation, and precipitation. In this episode of Crash Course Kids, Sabrina shows us how the water cycle works and...
TED Talks
Steven Pinker: Human nature and the blank slate
Steven Pinker's book The Blank Slate argues that all humans are born with some innate traits. Here, Pinker talks about his thesis, and why some people found it incredibly upsetting.
PBS
From the Fall of Dinos to the Rise of Humans
After taking you on a journey through geologic time, we've arrived at the Cenozoic Era. Most of the mammals and birds that you can think of appeared during this era but perhaps more importantly, the Cenozoic marks the rise of organisms...
TED Talks
Aliens built the pyramids and other absurdities of pseudo-archaeology | Sarah Kurnick
Aliens have invaded ancient history: they've cropped up in humanity's past through popular television and movies, displacing facts with absurd yet commonplace beliefs like "aliens built the pyramids." Archaeologist Sarah Kurnick...
Crash Course
Simple Animals: Sponges, Jellies, & Octopuses - Crash Course Biology
Hank introduces us to the "simplest" of the animals, complexity-wise: beginning with sponges (whose very inclusion in the list as "animals" has been called into question because they are so simple) and finishing with the most complex...
Bozeman Science
Fossil Fuels
In this video Paul Andersen explains how fossil fuels are formed when organic material is heating and squeezed in an anaerobic environment. Formation, extraction, advantages, and disadvantages are discussed for coal, petroleum and...
SciShow
What Science Has Taught Us About Stonehenge
Over the years, lots of explanations have been proposed as the origin of Stonehenge, including lost technologies, outright magic, and — of course — aliens. What do we actually know about this prehistoric mystery?
Crash Course Kids
The Science of Lunch
Even an empty lunch sack is useful to science. You can examine it and come up with some traits. In this episode, Sabrina chats about things like malleability, hardness, conductivity, and magnetism. And all with lunch! This first series...
TED-Ed
TED-Ed: The physics of surfing - Nick Pizzo
Wondering how you can catch the perfect wave? Dive into the fascinating and complex physics of surfing. -- Whether or not you realize it, surfers are masters of complicated physics. The science of surfing begins as soon as a board first...
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...