SciShow
Why Bladeless Fans Are a Lie
Bladeless fans can look like magic. How does all that air come out of that empty ring?! Well, it turns out that bladeless fans are more like a conventional fan than you might think, but that doesn't mean there isn't some really cool...
SciShow
SciShow Quiz Show: The Birds and the Bees ... Literally
Matthew Gaydos, producer of Animal Wonders, The Financial Diet, and Sexplanations, faces off against Hank Green! Watch them show off their knowledge of the birds and the bees, literally!
SciShow
Why Does the US Have So Many Power Outages?
The United States has a lot more power outages than other countries do, and fixing this problem will be a massive undertaking. Chapters View all Across the United States, the average customer loses power about once or twice a year, for a...
SciShow
Say Hello to NASA's Newest Sun Missions - SciShow News
Our star continuously throws out streams of charged particles at more than 500 kilometers per second, something we call Solar Wind. And just like regular weather can be unpredictable and dangerous, space weather can be, too. Meanwhile,...
TED Talks
Saul Griffith: High-altitude wind energy from kites!
In this brief talk, Saul Griffith unveils the invention his new company Makani Power has been working on: giant kite turbines that create surprising amounts of clean, renewable energy.
SciShow
Why Did We Keep Sealed Moon Samples?
We’ve been sitting on samples of the lunar surface for decades and, with better technology than when they were taken, we are opening them back up to take another look!
Be Smart
The Amazing Science of DUST?
Some of the universe's biggest action is a result of its smallest stuff
TED-Ed
TED-ED: Mysteries of vernacular: Window - Jessica Oreck and Rachael Teel
Metaphoric compounds, like the combination of the words wind and eye to represent a window, populated Norse and Old English. Jessica Oreck and Rachael Teel describe how this love of metaphor created the word window.
TED Talks
TED: 5 promising factors propelling climate action | Gabriel Kra
Given the scale of the challenge, the conversation around climate change is often tinged with doom and gloom. But climate tech investor Gabriel Kra thinks we need to reframe the crisis as a source of tremendous opportunity. He offers...
TED Talks
TED: Wild Women | Sunni Patterson
With lightning on her tongue, Sunni Patterson performs her powerful poem, "Wild Women," accompanied by the entrancing moves of dancer Chanice Holmes.
TED Talks
TED: Why the "wrong side of the tracks" is usually the east side of cities | Stephen DeBerry
What do communities on the social, economic and environmental margins have in common? For one thing, they tend to be on the east sides of cities. In this short talk about a surprising insight, anthropologist and venture capitalist...
TED Talks
Mike Matas: A next-generation digital book
Software developer Mike Matas demos the first full-length interactive book for the iPad -- with clever, swipeable video and graphics and some very cool data visualizations to play with. The book is "Our Choice," Al Gore's sequel to "An...
Bozeman Science
Ecological Succession
Paul Andersen describes the process of ecological succession. During this process life reestablished itself after a disturbance. During primary success all of the material is removed including the soil. For example during a volcanic...
TED Talks
Ron Eglash: The fractals at the heart of African designs
'I am a mathematician, and I would like to stand on your roof.' That is how Ron Eglash greeted many African families he met while researching the fractal patterns he'd noticed in villages across the continent.
TED Talks
TED: How humanity can reach the stars | Philip Lubin
Could we exit our solar system, and enter another? Astrophysicist Philip Lubin discusses the awesome potential of using lasers to propel small spacecraft, enabling humanity's first interstellar missions. Learn how this transformative...
MinutePhysics
The Tacoma Narrows Fallacy
Teach your teacher: the collapse of the Tacoma Narrows bridge WASN'T resonance.
TED-Ed
TED-Ed: Zen k_ans: unsolvable enigmas designed to break your brain - Puqun Li
How do we explain the unexplainable? This question has inspired numerous myths, religious practices and scientific inquiries. But Zen Buddhists practicing throughout China from the 9th to 13th century asked a different question - why do...
Crash Course Kids
A Case of 'What-Ifs'
Variables: What are they? In the case of engineering, variables are a condition or value that can change. Sometimes we control a variable, sometimes we don't. In this episode of Crash Course Kids, Sabrina chats to us about how variables...
TED Talks
TED: The case for optimism on climate change | Al Gore
Why is Al Gore optimistic about climate change? In this spirited talk, Gore asks three powerful questions about the man-made forces threatening to destroy our planet -- and the solutions we're designing to combat them. (Featuring Q&A...
TED Talks
Robert Full: Learning from the gecko's tail
Biologist Robert Full studies the amazing gecko, with its supersticky feet and tenacious climbing skill. But high-speed footage reveals that the gecko's tail harbors perhaps the most surprising talents of all.
TED Talks
Janet Echelman: Taking imagination seriously
Janet Echelman found her true voice as an artist when her paints went missing -- which forced her to look to an unorthodox new art material. Now she makes billowing, flowing, building-sized sculpture with a surprisingly geeky edge. A...
Crash Course
Uranus & Neptune
Today we’re rounding out our planetary tour with ice giants Uranus and Neptune. Both have small rocky cores, thick mantles of ammonia, water, and methane, and atmospheres that make them look greenish and blue. Uranus has a truly weird...
TED Talks
Theo Jansen: My creations, a new form of life
Artist Theo Jansen demonstrates the amazingly lifelike kinetic sculptures he builds from plastic tubes and lemonade bottles. His creatures are designed to move -- and even survive -- on their own.