TED-Ed
TED-Ed: How does chemotherapy work? | Hyunsoo Joshua No
During World War I, scientists were trying to develop an antidote to the poisonous yellow cloud known as mustard gas. They discovered the gas was irrevocably damaging the bone marrow of affected soldiers. This gave the scientists an...
TED Talks
Tim Berners-Lee: The next web
20 years ago, Tim Berners-Lee invented the World Wide Web. For his next project, he's building a web for open, linked data that could do for numbers what the Web did for words, pictures, video: unlock our data and reframe the way we use...
TED Talks
TED: Your kids might live on Mars. Here's how they'll survive | Stephen Petranek
It sounds like science fiction, but journalist Stephen Petranek considers it fact: within 20 years, humans will live on Mars. In this provocative talk, Petranek makes the case that humans will become a spacefaring species and describes...
Crash Course
Patents, Novelty, and Trolls: Crash Course Intellectual Property
This week, Stan teaches you about patents. It turns out, they're patently complicated! So, patents have some similarity to copyright, in that they grant a limited monopoly to people who invent things. The key difference in patents and...
TED-Ed
TED-Ed: Jean-Baptiste P. Koehl: Why are earthquakes so hard to predict?
In 132 CE, Zhang Heng presented his latest invention: a large vase he claimed could tell them whenever an earthquake occurred for hundreds of miles. Today, we no longer rely on pots as warning systems, but earthquakes still offer...
TED Talks
TED: New nanotech to detect cancer early | Joshua Smith
What if every home had an early-warning cancer detection system? Researcher Joshua Smith is developing a nanobiotechnology "cancer alarm" that scans for traces of disease in the form of special biomarkers called exosomes. In this...
TED Talks
Erik Schlangen: A "self-healing" asphalt
Paved roads are nice to look at, but they're easily damaged and costly to repair. Erik Schlangen demos a new type of porous asphalt made of simple materials with an astonishing feature: When cracked, it can be "healed" by induction heating.
TED Talks
Todd Kuiken: A prosthetic arm that "feels"
Physiatrist and engineer Todd Kuiken is building a prosthetic arm that connects with the human nervous system -- improving motion, control and even feeling. Onstage, patient Amanda Kitts helps demonstrate this next-gen robotic arm.
TED-Ed
TED-Ed: Can we create the "perfect" farm? | Brent Loken
About 10,000 years ago, humans began to farm. This agricultural revolution was a turning point in our history and enabled the existence of civilization. Today, nearly 40 percent of our planet is farmland. Spread all over the world, these...
TED Talks
TED: The future of news? Virtual reality | Nonny de la Pena
What if you could experience a story with your entire body, not just with your mind? Nonny de la Pena is working on a new form of journalism that combines traditional reporting with emerging virtual reality technology to put the audience...
SciShow
Why Death Photography Is So Helpful for Grief
Please Note: This episode contains post-mortem photographs: those of people taken after their death. If you would prefer not to see those images, please feel welcome to look away from the screen at 0:17 to 0:27 and listen along. Grief is...
TED-Ed
TED-Ed: How can we solve the antibiotic resistance crisis?
Antibiotics: behind the scenes, they enable much of modern medicine. We use them to cure infectious diseases, and to safely facilitate everything from surgery to chemotherapy to organ transplants. But we’ve stopped discovering new ones...
TED Talks
Taylor Wilson: My radical plan for small nuclear fission reactors
Taylor Wilson was 14 when he built a nuclear fusion reactor in his parents' garage. Now 19, he returns to the TED stage to present a new take on an old topic: fission. Wilson, who has won backing to create a company to realize his...
SciShow
How Studying Animals Is Helping Us Make Better Drones
Drone technology has advanced a lot in the last few decades, but our flying robots still have a lot to learn about navigation, agility, and adaptability from animals that have been flying for millions of years.
SciShow Kids
Inventing with Plants!
VELCRO® fasteners are pretty cool, but what would you think if the idea came from living things? Jessi and Squeaks talk about the sticky seeds that inspired them!
TED Talks
William Kamkwamba: How I harnessed the wind
At age 14, in poverty and famine, a Malawian boy built a windmill to power his family's home. Now at 22, William Kamkwamba, who speaks at TED, here, for the second time, shares in his own words the moving tale of invention that changed...
TED-Ed
TED-Ed: A brief history of plastic | TED-Ed
For centuries, billiard balls were made of ivory from elephant tusks. But when excessive hunting caused elephant populations to decline, they began to look for alternatives. John Wesley Hyatt took up the challenge. In five years, he...
TED Talks
TED: How new technology helps blind people explore the world | Chieko Asakawa
How can technology help improve our quality of life? How can we navigate the world without using the sense of vision? Inventor and IBM Fellow Chieko Asakawa, who's been blind since the age of fourteen, is working on answering these...
TED Talks
Bill Gates: Innovating to zero!
At TED2010, Bill Gates unveils his vision for the world's energy future, describing the need for "miracles" to avoid planetary catastrophe and explaining why he's backing a dramatically different type of nuclear reactor. The necessary...
SciShow Kids
The Coolest Machine Ever!
Jessi and Squeaks have a new invention to show you! They built it using what they know about simple machines and with a little inspiration from a cartoonist named Rube Goldberg!
TED Talks
Wolfgang Kessling: How to air-condition outdoor spaces
During the hot summer months, watching an outdoor sports match or concert can be tantamount to baking uncomfortably in the sun -- but it doesn't have to be. At the TEDxSummit in Doha, physicist Wolfgang Kessling reveals sustainable...
TED-Ed
TED-Ed: Meet the microbes that could eat your trash | Tierney Thys and Christian Sardet
Each year humanity produces roughly 400 million tons of plastic, 80% of which is discarded as trash. Of that plastic waste, only one-tenth is recycled. 60% gets incinerated or goes into the landfills, and 30% leaks out into the...
TED-Ed
TED-Ed: Why a sausage can do what your gloves cannot | Charles Wallace and Sajan Saini
In 2010, South Korea experienced a particularly cold winter. People couldn't activate their smartphones while wearing gloves, so they began wielding snack sausages— causing one company to see a 40% rise in sausage sales. So, what could...
TED Talks
TED: A robot that eats pollution | Jonathan Rossiter
Meet the "Row-bot," a robot that cleans up pollution and generates the electricity needed to power itself by swallowing dirty water. Roboticist Jonathan Rossiter explains how this special swimming machine, which uses a microbial fuel...