TED Talks
Eve Pearlman: How to lead a conversation between people who disagree
In a world deeply divided, how do we have hard conversations with nuance, curiosity, respect? Veteran reporter Eve Pearlman introduces "dialogue journalism": a project where journalists go to the heart of social and political divides to...
TED-Ed
TED-Ed: How playing an instrument benefits your brain - Anita Collins
When you listen to music, multiple areas of your brain become engaged and active. But when you actually play an instrument, that activity becomes more like a full-body brain workout. What's going on? Anita Collins explains the fireworks...
SciShow
Making Antivenom out of Human Antibodies | SciShow News
Scientists are looking for a new way to make antivenom and a new study poked some holes in a diagnostic test by making volunteers drink their own blood.
PBS
Do Knock-Offs Prove the Value of a Brand?
We're willing to pay hundreds or thousands more for a specific brand name item, but sometimes it can be tempting to go the way of the knock-off for a fraction of the price. The counterfeit industry is huge and isn't going anywhere, and...
TED Talks
Lisa Harouni: A primer on 3D printing
2012 may be the year of 3D printing, when this three-decade-old technology finally becomes accessible and even commonplace. Lisa Harouni gives a useful introduction to this fascinating way of making things -- including intricate objects...
SciShow
How the Ocean Floor Got Filled with Riches
Deep below the surface, the ocean floor is full of riches. There’s gold, iron, and lots of other rare, precious metals. What kind of geochemical processes can leave loot all over the seafloor?
TED Talks
Sarah Sze: How we experience time and memory through art
Artist Sarah Sze takes us on a kaleidoscopic journey through her work: immersive installations as tall as buildings, splashed across walls, orbiting through galleries -- blurring the lines between time, memory and space. Explore how we...
TED Talks
George Papandreou: Imagine a European democracy without borders
Greece has been the poster child for European economic crisis, but former Prime Minister George Papandreou wonders if it's just a preview of what's to come. “Our democracies," he says, "are trapped by systems that are too big to fail, or...
TED Talks
TED: The sore problem of prosthetic limbs | David Sengeh
What drove David Sengeh to create a more comfortable prosthetic limb? He grew up in Sierra Leone, and too many of the people he loves are missing limbs after the brutal civil war there. When he noticed that people who had prosthetics...
SciShow
What Glowing Fish and Your Dress Shirt Have in Common
Fluorescent molecules are useful for a lot more than just making you look cool at your local rave. Fluorescence turns out to be a kind of chemical superpower that lets us tackle all kinds of problems, from solving crimes to saving lives!
TED Talks
Amory Lovins: Winning the oil endgame
In this energizing talk, Amory Lovins lays out his simple plan for weaning the US off oil and revitalizing the economy.
TED Talks
Bill Gates: Teachers need real feedback
Until recently, many teachers only got one word of feedback a year: "satisfactory." And with no feedback, no coaching, there's just no way to improve. Bill Gates suggests that even great teachers can get better with smart feedback -- and...
SciShow
How to Forget Things on Purpose
If you had the power to forget, would you do it? Michael Aranda explains how this might be possible in this episode of SciShow.
SciShow
Immune NETs: What COVID and Snake Venoms Have in Common
When faced with threats ranging from snake bites to COVID infections, some white blood cells retaliate with a peculiar tactic: spewing out their own DNA to form pathogen-trapping nets. But research suggests that sometimes this...
TED Talks
TED: How food shapes our cities | Carolyn Steel
Every day, in a city the size of London, 30 million meals are served. But where does all the food come from? Architect Carolyn Steel discusses the daily miracle of feeding a city, and shows how ancient food routes shaped the modern world.
SciShow
Bones Began as Mineral Batteries
Today, bones hold us up. But for ancient jawless fishes, bones may have been a way to store energy for long journeys. Plus, new research indicated that hippos and cetaceans may have evolved their aquatic traits separately.
Bozeman Science
Chemical and Physical Processes
In this video Paul Andersen explains the difference between chemical and physical processes. Chemical processes occur when bonds are broken and reformed. Physical processes occur when intermolecular forces are broken and reformed. A...
SciShow
How Do Astronauts Do Their Business?
So how do astronauts manage to pee and poop in microgravity? And what happens to all of their waste? Do you really want to know? If you do, the answers are inside!
TED-Ed
TED-Ed: The surprising link between stress and memory - Elizabeth Cox
You spend weeks studying for an important test. On the big day, you wait nervously as your teacher hands it out. You're working your way through, when you're asked to define "ataraxia." You know you've seen the word before, but your mind...
SciShow
Can Soda Save a Dying Fish?
For years, catch-and-release anglers have been pouring soda on bleeding fish in an effort to help save their lives. But.. does this actually work?
SciShow
The Chemist Decoding Our Cosmic Origins | Great Minds: Ewine van Dishoeck
The apparent void in the darkness of space is not as empty as you might think. In fact, it somehow holds the key to creating stars, planets, and even us! And Dutch super-scientist Ewine van Dishoeck made it her life's work to figure out...
Crash Course
Breaking the Silence: Crash Course Film History
Nothing changed movies like the arrival of synchronous sound. NOTHING! Acting, directing, cinematography, and presentation all had to be rethought. Some studios were more quick to take on the challenge while others waited until the last...
TED Talks
TED: Amazon's climate pledge to be net-zero by 2040 | Dave Clark and Kara Hurst
In 2019, Amazon signed the Climate Pledge, a commitment to become a net-zero carbon business by 2040. Dave Clark, Amazon's chief of consumer retail, and Kara Hurst, head of the company's sustainability efforts, sit down with entrepreneur...
TED Talks
Débora Mesa Molina: Stunning buildings made from raw, imperfect materials
What would it take to reimagine the limits of architecture? Débora Mesa Molina offers some answers in this breathtaking, visual tour of her work, showing how structures can be made with overlooked materials and unconventional methods --...