Hi, what do you want to do?
TED Talks
Why are we sending critical metals to the dump? | Jeff More
The world is heading toward a massive copper shortage that could derail the clean energy transition, says mining expert Jeff More. He shows how advanced sensing technology could get us back on the right track, drastically cutting down on...
PBS
Community colleges gear up to train workers for America’s proposed manufacturing future
In the next decade, millions of manufacturing jobs will open up in the U.S. as workers retire. Meanwhile, the sector is also supposed to add more jobs with help from federal subsidies. But by some current estimates, only half of those...
Crash Course
Labor Markets and Minimum Wage: Crash Course Economics
How much should you get paid for your job? Well, that depends on a lot of factors. Your skill set, the demand for the skills you have, and what other people are getting paid around you all factor in. In a lot of ways, labor markets work...
SciShow
What's Really Behind The Adderall Shortage?
You may have heard that there's an ongoing shortage of the medication Adderall. But there's a lot more going on here than you may expect, and the real culprit behind the shortage isn't what you might think.
TED Talks
TED: A playbook on financing climate solutions | Nili Gilbert and David Blood
Tackling climate change costs a lot of money — and the financial sector is key to getting that money flowing. In a wide-ranging conversation, sustainable investment leaders Nili Gilbert and David Blood discuss where progress is being...
TED-Ed
TED-Ed: Why did the US try to kill all the bison? | Andrew C. Isenberg
By the mid-1700s, many Plains nations survived on North America’s largest land mammals: bison. They ate its meat, made the hides into winter coats and blankets, and used the bones and horns for tools. But in the following decades,...
SciShow
Why is Organized Crime Buying Sand?!
Some might call sand coarse, rough and irritating, but there’s no denying that it’s used everywhere: from glass to asphalt, sand is a key ingredient for all sorts of materials in construction and technology. But this heavy reliance on...
TED-Ed
TED-Ed: Why do we have crooked teeth when our ancestors didn't? | G. Richard Scott
According to the fossil record, ancient humans usually had straight teeth, complete with wisdom teeth. In fact, the dental dilemmas that fuel the demand for braces and wisdom teeth extractions today appear to be recent developments. So,...
PBS
The top library books people tried to ban or censor last year
Battles have erupted at schools, school boards and library meetings across the country as parents, lawmakers and advocacy groups are debating books. The American Library Association documented more than 1,200 demands to censor books and...
PBS
The how and why of buying bitcoin
The basic idea of bitcoin is simple: Instead of a financial institution holding a bank ledger, a chain of computers linked through the internet are all using the same software to record and verify every transaction. But how can a...
PBS
In Europe, business booms when cruise ships arrive -- but is it worth the bother?
Cruise liners offer scenic views you can’t replicate from land, but they also cause downstream consequences. In Europe, some beautiful waterfront cities are joining forces to limit the impact of thousands of passengers being disgorged...
SciShow
The World Is Built on Sand... and We're Running Out
Some might call sand coarse, rough and irritating, but there’s no denying that it’s used everywhere: from glass to asphalt, sand is a key ingredient for all sorts of materials in construction and technology. But this heavy reliance on...
TED Talks
TED: How to fix broken supply chains | Dustin Burke
Supply chain challenges are real, but they're not new, says global trade expert Dustin Burke. In the face of disruptions ranging from natural disasters to pandemics, how do we make sure supply chains can keep up? Burke offers a...
TED Talks
TED: A global food crisis may be less than a decade away | Sara Menker
Sara Menker quit a career in commodities trading to figure out how the global value chain of agriculture works. Her discoveries have led to some startling predictions: "We could have a tipping point in global food and agriculture if...
TED-Ed
How much electricity does it take to power the world? | TED-Ed
All around the world, millions of people are flipping a switch, plugging in, and pressing an 'on' button every second. So how much electricity does humanity use? And how much will we need in the future? Discover how much energy it takes...
MinuteEarth
How Much Food Is There On Earth?
Food already in cupboards, supermarkets, & warehouses could feed humanity for 4 months, but potential food - berries, termites & krill - could extend that by another...
TED-Ed
TED-Ed: What causes an economic recession? | Richard Coffin
For millennia, the people of Britain had been using bronze to make tools and jewelry, and as a currency for trade. But around 800 BCE, that began to change: the value of bronze declined, causing social upheaval and an economic crisis—...
TED-Ed
The world's biggest battery looks nothing like a battery | TED-Ed
As of 2020, the world's biggest lithium-ion battery is hooked up to the Southern California power grid and can provide enough power for about 250,000 homes. But it's actually not the biggest battery in the world: a pair of lakes are. How...
TED Talks
TED: Confessions of a bad feminist | Roxane Gay
When writer Roxane Gay dubbed herself a "bad feminist," she was making a joke, acknowledging that she couldn't possibly live up to the demands for perfection of the feminist movement. But she's realized that the joke rang hollow. In a...
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.
Cha
pters
View all
Across the United States, the average customer loses...
Cha
pters
View all
Across the United States, the average customer loses...
TED Talks
Shaffi Mather: A new way to fight corruption
Shaffi Mather explains why he left his first career to become a social entrepreneur, providing life-saving transportation with his company 1298 for Ambulance. Now, he has a new idea and plans to begin a company to fight the booming...
SciShow
Why Can't We Farm These Foods Yet?
There are some foods that are so popular that they are at risk of going extinct. What are they and why is it so difficult to harvest them?
TED Talks
TED: A prosecutor's vision for a better justice system | Adam Foss
When a kid commits a crime, the uS justice system has a choice: prosecute to the full extent of the law, or take a step back and ask if saddling young people with criminal records is the right thing to do every time. In this searching...