Tech communities are booming all over Africa, says Nairobi-based Juliana Rotich, cofounder of the open-source software Ushahidi. But it remains challenging to get and stay connected in a region with frequent blackouts and spotty Internet...

Are the simplest phones the smartest? While the rest of the world is updating statuses and playing games on smartphones, Africa is developing useful SMS-based solutions to everyday needs, says journalist Toby Shapshak. In this...

Our lives depend on curbing climate change, but so many priorities seem to be in competition. What's the most urgent thing humanity can do right now? Social entrepreneur James Irungu Mwangi tells us why Africa could be the ideal home for...

At any moment, there is an electrical storm coursing through your body. Discover how chemical reactions create an electric current that drives our responses to everything from hot pans to a mother's caress.

Combining projection mapping and a pop-up book, Marco Tempest tells the visually arresting story of Nikola Tesla -- called "the greatest geek who ever lived" -- from his triumphant invention of alternating current to his penniless last...

Be blown away with this episode of SciShow News as Hank talks about using the power of one of earths most powerful energy sources: Volcanoes!

Daan Roosegaarde uses technology and creative thinking to produce imaginative, earth-friendly designs. He presents his latest projects -- from a bike path in eindhoven, where he reinterpreted "The Starry Night" to get people thinking...

Driving can be dangerous, especially if you’re trying to juggle a variety of distractions while barreling down a busy highway. So scientists are looking into ways to keep us focused on the task at hand, even if you’re traveling in an...

Scientists have had some success with a new technique to restore awareness to a person in a vegetative state & also that we could potentially use the water cycle to power most of the United States!

The dot-com boom and bust is often compared to the Gold Rush. But Amazon.com founder Jeff Bezos says it's more like the early days of the electric industry.

What's the key to using alternative energy, like solar and wind? Storage -- so we can have power on tap even when the sun's not out and the wind's not blowing. In this accessible, inspiring talk, Donald Sadoway takes to the blackboard to...

Hank tells us the outcome of the 2011 Green Flight Challenge and tells us why electric airplanes are the future of air travel.

In this perspective-shifting talk, energy researcher Rose M. Mutiso makes the case for prioritizing Africa's needs with what's left of the world's carbon budget, to foster growth and equitably achieve a smaller global carbon footprint.

Microphones keep getting smaller and smaller, but have you ever asked what it would be like to have a bigger one in the form of a shirt? And though we tend to incorrectly think that we’re having two-way conversations with our pets, we...

We could generate a lot of usable energy from human and animal poop through greater adoption of a process for using microbes to break down poop into methane gas. ___________________________________________ To learn more, start your...

Hank gives us a summary of the important facts about fracking: what it is, why we do it, and how it actually isn't all butterflies and cupcakes.

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...

What was the greatest invention of the industrial revolution? Hans Rosling makes the case for the washing machine. With newly designed graphics from Gapminder, Rosling shows us the magic that pops up when economic growth and electricity...

What's a proven way to lower your energy costs? Would you believe: learning what your neighbor pays. Alex Laskey shows how a quirk of human behavior can make us all better, wiser energy users, with lower bills to prove it.

In this video Paul Andersen explains how you can drive non spontaneous processes by adding external energy (like electricity or light) or by coupling it to a spontaneous process (like the conversion of ATP to ADP)

Nuclear power is one of the safest, cleanest forms of energy -- yet to most people, it might not feel that way. Why is that? Isabelle Boemeke, the world's first nuclear energy influencer and creator of the social media persona Isodope,...

What would happen if we could generate power from our windowpanes? In this moving talk, entrepreneur Justin Hall-Tipping shows the materials that could make that possible, and how questioning our notion of 'normal' can lead to...

Learn the truth about Benjamin Franklin, his experiments into electricity, including the real story behind the kite and the key.

In a short, funny, data-packed talk at TED U, Catherine Mohr walks through all the geeky decisions she made when building a green new house -- looking at real energy numbers, not hype. What choices matter most? Not the ones you think.