SciShow
5 Bizarre Aircraft That Pushed the Boundaries of Engineering
You might think most planes look the same, but here are five of the most bizarre aircraft that, no matter their appearance, still managed to fly. Chapters SR-71 BLACKBIRD 1:20 GRUMMAN X-29 3:01 AERO SPACELINES 377PG 5:14 BOEING...
SciShow
Transit of Venus 2012: A Viewer's Guide
Hank briefs us on the upcoming planetary transit of Venus, which will be observable June 5th and 6th of 2012.
TED-Ed
TED-Ed: Earworms: Those songs that get stuck in your head - Elizabeth Hellmuth Margulis
Have you ever been waiting in line at the grocery store, innocently perusing the magazine rack, when a song pops into your head? Not the whole song, but a fragment of it that plays and replays until you find yourself unloading the...
SciShow
Cougar Stress: SciShow Talk Show
Lara Brenner talks about her research on how stressed cougars are and how the public views them. Then Jessi from Animal Wonders joins the show with Seraphina the red fox!
PBS
LIGO's First Detection of Gravitational Waves!
Over 100 years after Einstein proposed his theory of general relativity, we are proud to announce that his final major prediction has been verified! Gravitational waves have officially been detected by LIGO! This is a huge deal and an...
TED Talks
TED: Fighting with nonviolence | Scilla Elworthy
How do you deal with a bully without becoming a thug? In this wise and soulful talk, peace activist Scilla Elworthy maps out the skills we need -- as nations and individuals -- to fight extreme force without using force in return. To...
TED Talks
TED: To the South Pole and back — the hardest 105 days of my life | Ben Saunders
This year, explorer Ben Saunders attempted his most ambitious trek yet. He set out to complete Captain Robert Falcon Scott's failed 1912 polar expedition — a four-month, 1,800-mile round trip journey from the edge of Antarctica to the...
TED Talks
James Flynn: Why our IQ levels are higher than our grandparents'
It's called the "Flynn effect" -- the fact that each generation scores higher on an IQ test than the generation before it. Are we actually getting smarter, or just thinking differently? In this fast-paced spin through the cognitive...
MinuteEarth
The Great Acceleration
We’re in the middle of a rapid, unprecedented, and world-changing increase in the intensity and scale of human activity on this planet.
TED Talks
TED: The global power shift | Paddy Ashdown
Paddy Ashdown believes we are living in a moment in history where power is changing in ways it never has before. In a spellbinding talk he outlines the three major global shifts that he sees coming.
Crash Course
The Anthropocene and the Near Future: Crash Course Big History
In which John Green, Hank Green, and Emily Graslie teach you about the Anthropocene, an unofficial geological era that covers the last century or so, in which humanity has made massive progress. We've discovered the Higgs-Boson particle,...
TED Talks
Richard Sears: Planning for the end of oil
As the world's attention focuses on the perils of oil exploration, we present Richard Sears' talk from early February 2010. Sears, an expert in developing new energy resources, talks about our inevitable and necessary move away from oil....
TED Talks
Martin Rees: Is this our final century?
Speaking as both an astronomer and "a concerned member of the human race," Sir Martin Rees examines our planet and its future from a cosmic perspective. He urges action to prevent dark consequences from our scientific and technological...
SciShow
Why Days Are Getting Longer
You can complain about having the longest day ever today, and here is the science to prove it!
SciShow
Two Decades Later, We Know Why the Sun Is a Lava Lamp
In 1999, scientists discovered something that took over 20 years to solve. Why do solar flares move like a lava lamp?
Crash Course
Witchcraft: Crash Course European History
During our last several episodes, Europe and the European-controlled world have been in crisis. Wars, disease, climate changes, and shifts in religious and political power threw the European world into turmoil. People were looking for a...
TED Talks
TED: Everything you think you know about addiction is wrong - Johann Hari
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. What really causes addiction -- to everything from cocaine to smart-phones? And how can we overcome it? Johann Hari...
TED-Ed
TED-Ed: Ancient Greece's greatest popstar | Diane J. Rayor
Over 2,500 years ago, one of ancient Greece's most celebrated popstars and erotic poets enraptured listeners. The singer-songwriter offered a uniquely intimate perspective on love, passion, and longing, and was the first on record to...
TED Talks
Sean Davis: Can we solve global warming? Lessons from how we protected the ozone layer
The Montreal Protocol proved that the world could come together and take action on climate change. Thirty years after the world's most successful environmental treaty was signed, atmospheric scientist Sean Davis examines the world we...
Crash Course
Dutch Golden Age: Crash Course European History
While the English were falling apart a little, with their civil war and their restoration and their succession problems, the Dutch were getting their act together. They were throwing off the yoke of the Spanish Empire, uniting their...
SciShow
Our Boats Are Changing the Tide
We often think of the ocean’s tide as a simple rise and fall, connected to the motion of the Moon. But on any given shore, the reality is much more complex and oceanic scientists have realized recently that there’s another, more...
Crash Course
Modern Thought and Culture in 1900: Crash Course European History
Europe was in transition politically and culturally at the beginning of the 20th century. Today, we're looking at the dawn of modern science, and the rise of Modernism in the arts, especially in music, dance, and visual arts. We'll look...
SciShow
The 100-Year Mystery of the Diffuse Interstellar Bands
Diffuse interstellar bands were first discovered in 1919 and since then scientists have found nearly 500 of them. How many do we understand? Only one.