SciShow
The Gamma Ray Burst of 775
About 1200 years ago, Earth may have experienced one of the rarest and most powerful cosmic events a planet can be exposed to: a gamma-ray burst. If it did, well, let's just say that we, as living things on Earth, are lucky it wasn't worse.
Crash Course
Click Restraint: Crash Course Navigating Digital Information #9
The architecture of the social internet itself tells us not to be patient - to load more tweets, to hit refresh for new posts, and to click the top search results. But just because information is new, or algorithmically determined to be...
TED Talks
María Neira: This is your brain on air pollution
Air pollution knows no borders -- even in your own body, says public health expert María Neira. In this startling talk, she describes how the microscopic particles and chemicals you breathe affect all your major organs (including your...
Crash Course
Using Wikipedia: Crash Course Navigating Digital Information #5
Let's talk about Wikipedia. Wikipedia is often maligned by teachers and twitter trolls alike as an unreliable source. And yes, it does sometimes have major errors and omissions, but Wikipedia is also the Internet's largest general...
SciShow
How (a Lack of) Bird Poop Proved the Big Bang
Reid describes how pigeons and bird poop helped prove the Big Bang!
TED Talks
TED: 4 ways we can avoid a catastrophic drought | David Sedlak
As the world's climate patterns continue to shift unpredictably, places where drinking water was once abundant may soon find reservoirs dry and groundwater aquifers depleted. In this talk, civil and environmental engineer David Sedlak...
SciShow
Where Does Static Come From
Did you know you can watch the big bang on an old TV any time you want?
TED-Ed
TED-Ed: Is light a particle or a wave? - Colm Kelleher
Can we accurately describe light as exclusively a wave or just a particle? Are the two mutually exclusive? In this third part of his series on light and color, Colm Kelleher discusses wave-particle duality and its relationship to how we...
Crash Course
Who Can You Trust? Crash Course Navigating Digital Information #4
In which John Green teaches you how to assess the sources of information you find on the internet. The growing suspicion of expertise is a growing problem on the internet, and it can be very difficult to figure out which sources are...
TED-Ed
TED-Ed: Urbanization and the future of cities - Vance Kite
About 10,000 years ago, hunter-gatherers, aided by rudimentary agriculture, moved to semi-permanent villages and never looked back. With further developments came food surpluses, leading to commerce, specialization and, many years later...
TED-Ed
TED-Ed: How can you change someone's mind? (hint: facts aren't always enough) - Hugo Mercier
Why do arguments change people's minds in some cases and backfire in others? Hugo Mercier explains how arguments are more convincing when they rest on a good knowledge of the audience, taking into account what the audience believes, who...
TED-Ed
TED-Ed: Are we running out of clean water? - Balsher Singh Sidhu
Despite water covering 71% of the planet’s surface, more than half the world’s population endures extreme water scarcity for at least one month a year. Current estimates predict that by 2040, up to 20 more countries could be experiencing...
SciShow
Why Do So Many People Share and Believe Fake News?
Fake news spreads across the Internet like wildfire, and might even spread more quickly than real news!
TED-Ed
TED-Ed: How to choose your news - Damon Brown
With the advent of the Internet and social media, news is distributed at an incredible rate by an unprecedented number of different media outlets. How do we choose which news to consume? Damon Brown gives the inside scoop on how the...
Crash Course Kids
The Basics of Freshwater
We have a lot of water on Earth, but we also can't actually drink much of it... or use it for farming. That's because most of the water on Earth is saltwater. We humans, like a lot of living things, need freshwater to survive. In this...
PBS
Is Futurama the Best Argument Against Transhumanism?
Transhumanism is a scientific philosophy that says technology will solve all our human biological constraints and that immortality is right around the corner (well not RIGHT around the corner, but WAYYY closer). They envision a world of...
SciShow
How Does Bug Soup Become a Butterfly?
A caterpillar hatches from an egg, makes a cocoon, and emerges a fully-grown, beautiful butterfly. But, during its time in the cocoon, the caterpillar melts its body into bug goo... then even weirder stuff happens.
Crash Course
Papers & Essays: Crash Course Study Skills
Writing research papers is an essential skill in your career as a student, and this week we're going to help you do that like a pro. From figuring out where to begin, to finding the best systems, to breaking out of the research recursion...
Crash Course
Mansa Musa and Islam in Africa Crash Course World History
In which John Green teaches you about Sub-Saharan Africa! So, what exactly was going on there? It turns out, it was a lot of trade, converting to Islam, visits from Ibn Battuta, trade, beautiful women, trade, some impressive...
PBS
Waning Trust And A Perilous Financial Landscape Challenge The News Business
It is a tumultuous time in the news business, with a perilous financial
landscape and significant percentages of Americans saying they
fundamentally don't trust news sources that don't line up with their
opinions. Gregory Moore,...
Crash Course
Media Skills: Crash Course Media Literacy
Now that you have a solid understanding of the media landscape, it’s time to equip you with the essential skills for navigating it.
TED Talks
TED: Women should represent women in media | Megan Kamerick
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. How do you tell women’s stories? Ask women to tell them. At TEDxABQ, Megan Kamerick shows how the news media...
Curated Video
Express Framework Mastery: From Beginner to Advanced with Node.js - Advantages of Node.js
New ReviewThis video demonstrates the advantages of Node.js.