TED Talks
Alan Kay: A powerful idea about ideas
With all the intensity and brilliance for which he is known, Alan Kay envisions better techniques for teaching kids by using computers to illustrate experience in ways -– mathematically and scientifically -- that only computers can.
TED Talks
David Deutsch: After billions of years of monotony, the universe is waking up
Theoretical physicist David Deutsch delivers a mind-bending meditation on the "great monotony" -- the idea that nothing novel has appeared in the universe for billions of years -- and shows how humanity's capacity to create explanatory...
TED Talks
Tom Wujec: Learn to use the 13th-century astrolabe
Rather than demo another new technology, Tom Wujec reaches back to one of our earliest but most ingenious devices -- the astrolabe. With thousands of uses, from telling time to mapping the night sky, this old tech reminds us that the...
TED Talks
Jaap de Roode: How butterflies self-medicate
Just like us, the monarch butterfly sometimes gets sick thanks to a nasty parasite. But biologist Jaap de Roode noticed something interesting about the butterflies he was studying — infected female butterflies would choose to lay their...
SciShow
Turning Astronaut Pee Into Plastic
NASA recently sponsored new research into turning human waste into useful things, like food and plastic. And it might be used on long-term spaceflight someday.
SciShow
The First Robot Swarm, and Evolution's Misfit
Hank shares the nuts-and-bolts of the world’s first robot swarm, and explains what the creepy, cute and extinct animal known as Hallucigenia can teach us about evolution.
SciShow
7 Animals We Used to Think Were Extinct (But Aren't!)
Species that no longer exist vastly outnumber those that currently populate the planet, but occasionally we rediscover a species we thought was extinct!
SciShow
SciShow Talk Show: Animal Adaptaions with Biologist Jeff Good & Jessi Knudsen Castañeda
Welcome to this episode of SciShow Talk Show! This week Hank talks with Jeff Good & Jessi Knudsen Castañeda with a Netherland Dwarf Rabbit named Cheeks.
TED Talks
Tom Wujec: Got a wicked problem? First, tell me how you make toast
Making toast doesn’t sound very complicated -- until someone asks you to draw the process, step by step. Tom Wujec loves asking people and teams to draw how they make toast, because the process reveals unexpected truths about how we can...
TED Talks
Danielle N. Lee: How hip-hop helps us understand science
In the early 1990s, a scandal rocked evolutionary biology: scientists discovered that songbirds -- once thought to be strictly monogamous -- engaged in what's politely called "extra-pair copulation." In this unforgettable biology lesson...
TED Talks
Tom Chatfield: 7 ways games reward the brain
We're bringing gameplay into more aspects of our lives, spending countless hours -- and real money -- exploring virtual worlds for imaginary treasures. Why? As Tom Chatfield shows, games are perfectly tuned to dole out rewards that...
TED Talks
Torsten Reil: Animate characters by evolving them
Torsten Reil talks about how the study of biology can help make natural-looking animated people -- by building a human from the inside out, with bones, muscles and a nervous system. He spoke at TED in 2003; see his work now in GTA4.
TED Talks
TED: Thoughts on humanity, fame and love | Shah Rukh Khan
I sell dreams, and I peddle love to millions of people, says Shah Rukh Khan, Bollywood's biggest star. In this charming, funny talk, Khan traces the arc of his life, showcases a few of his famous dance moves and shares hard-earned wisdom...
SciShow
Human Connectome
Hank briefs us on a fascinating project that aims to map the anatomical and functional pathways of the brain - a neural network called the human connectome.
SciShow
Einstein’s Greatest Mistake: SciShow Talk Show with David Bodanis
Hank gets to chat with David Bodanis: an author, and expert on Albert Einstein. They discuss Einstein's fame and his feelings about the aesthetics of science, as well as Bodanis' upcoming book: "Einstein's Greatest Mistake".
SciShow
Do Surgical Masks Protect You from Viruses?
You often see people wearing surgical masks or respirators during flu season, but do they even do anything?
TED Talks
Amit Sood: Building a museum of museums on the web
Imagine being able to see artwork in the greatest museums around the world without leaving your chair. Driven by his passion for art, Amit Sood tells the story of how he developed Art Project to let people do just that.
TED Talks
TED: How judges can show respect | Victoria Pratt
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. In halls of justice around the world, how can we ensure everyone is treated with dignity and respect? A pioneering...
TED Talks
Robert Full: The sticky wonder of gecko feet
Biologist Robert Full shares slo-mo video of some captivating critters. Take a closer look at the spiny legs that allow cockroaches to scuttle across mesh and the nanobristle-packed feet that let geckos to run straight up walls.
TED Talks
Thulasiraj Ravilla: How low-cost eye care can be world-class
India's revolutionary Aravind Eye Care System has given sight to millions. Thulasiraj Ravilla looks at the ingenious approach that drives its treatment costs down and quality up, and why its methods should trigger a re-think of all human...
TED Talks
Sonaar Luthra: Meet the Water Canary
After a crisis, how can we tell if water is safe to drink? Current tests are slow and complex, and the delay can be deadly, as in the cholera outbreak after Haiti's earthquake in 2010. TED Fellow Sonaar Luthra previews his design for a...
TED Talks
Amos Winter: The cheap all-terrain wheelchair
How do you build a wheelchair ready to blaze through mud and sand, all for under $200? MIT engineer Amos Winter guides us through the mechanics of an all-terrain wheelchair that's cheap and easy to build -- for true accessibility -- and...
Bozeman Science
Work Energy Principle
In this video Paul Andersen explains how the kinetic energy gained by an object is equivalent to the work done on the object. The force on the object must act parallel or antiparallel to the motion of the object to do work. Several...
TED Talks
TED: How I taught rats to sniff out land mines | Bart Weetjens
No one knows exactly how many landmines still litter the world, but it's safe to say: millions, waiting to kill and maim unsuspecting civilians. Clearing them is slow, expensive and dangerous. The founder of Apopo, Bart Weetjens, talks...