TED Talks
Dan Pallotta: The way we think about charity is dead wrong
Activist and fundraiser Dan Pallotta calls out the double standard that drives our broken relationship to charities. Too many nonprofits, he says, are rewarded for how little they spend -- not for what they get done. Instead of equating...
TED Talks
Dan Pink: The puzzle of motivation
Career analyst Dan Pink examines the puzzle of motivation, starting with a fact that social scientists know but most managers don't: Traditional rewards aren't always as effective as we think. Listen for illuminating stories -- and...
SciShow Kids
What is an Engineer? | Squeaks has an Engineering Problem! | SciShow Kids
Mister Brown teaches Squeaks all about engineering to help him solve a problem he is having! K-2 Next Generation Science Standards Science and Engineering Practices: Asking Questions and Defining Problems, Developing and Using Models,...
SciShow Kids
Do I Need Glasses?
This video is brought to you by the Child and Teen Checkups program of the Minnesota Department of Health.
TED Talks
TED: What are the most important moral problems of our time? | Will MacAskill
Of all the problems facing humanity, which should we focus on solving first? In a compelling talk about how to make the world better, moral philosopher Will MacAskill provides a framework for answering this question based on the...
TED Talks
TED: The nightmare videos of children's YouTube -- and what's wrong with the internet today | James Bridle
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Writer and artist James Bridle uncovers a dark, strange corner of the internet, where unknown people or groups on...
TED Talks
Michael Porter: The case for letting business solve social problems
Why do we turn to nonprofits, NGOs and governments to solve society's biggest problems? Michael Porter admits he's biased, as a business school professor, but he wants you to hear his case for letting business try to solve massive...
Crash Course
Mechanical Engineering: Crash Course Engineering #3
Today we continue our tour through the major fields of engineering with a look at mechanical engineering, beginning with the steam engine. We’ll discuss aircraft, the development of aerospace engineering, and take a look into the future...
TED-Ed
TED-ED: What is the tragedy of the commons? - Nicholas Amendolare
Is it possible that overfishing, super germs, and global warming are all caused by the same thing? In 1968, a man named Garrett Hardin sat down to write an essay about overpopulation. Within it, he discovered a pattern of human behavior...
TED Talks
Jake Wood: A new mission for veterans -- disaster relief
After fighting overseas, 92 percent of American veterans say they want to continue their service. Meanwhile, one after another, natural disasters continue to wreak havoc worldwide. What do these two challenges have in common? In telling...
TED-Ed
TED-Ed: What's a smartphone made of? - Kim Preshoff
As of 2018, there are around 2.5 billion smartphone users in the world. If we broke open all the newest phones and split them into their component parts, that would produce around 85,000 kg of gold, 875,000 of silver, and 40,000,000 of...
TED Talks
TED: Could this laser zap malaria? | Nathan Myhrvold
Nathan Myhrvold and team's latest inventions -- as brilliant as they are bold -- remind us that the world needs wild creativity to tackle big problems like malaria. And just as that idea sinks in, he rolls out a live demo of a new,...
Crash Course
Biomedical Treatments: Crash Course Psychology
Do you know how Prozac works? Or lithium? Did you know that electro shock therapy is still a thing? There's a lot to know about biomedical treatments and how they work in tandem with psychotherapy or talk therapy. In this episode of...
TED Talks
TED: Victims of the city | Mark Raymond
Architecture can bring people together, or divide them -- witness the skyscraper, costly, inefficient, and only serving small portions of the community. At TEDxPortofSpain, Mark Raymond encourages city governments to let go of their old...
SciShow
How Close Are We to Curing Alzheimer's?
Researchers are working hard to understand the mechanics of Alzheimer's disease and other forms of dementia. So, how close are we to finding a cure?
TED Talks
TED: How we can stop Africa's scientific brain drain | Kevin Njabo
How can Africans find solutions to Africa's problems? Conservation biologist Kevin Njabo tells his personal story of how he nearly became part of the group of African scientists who seek an education abroad and never return -- and why...
Crash Course
Candide: Crash Course Literature 405
John Green teaches you about Voltaire's hugely important Enlightenment novel, Candide. Candide tells a pretty wild story, but for the most part, it's about the best of all possible worlds. Which, spoiler alert, doesn't seem to be the...
TED Talks
Dean Kamen: To invent is to give
Inventor Dean Kamen lays out his argument for the Segway and offers a peek into his next big ideas (portable energy and water purification for developing countries).
SciShow
Can You Get Too Much Sleep?
Are you someone who likes to hit the snooze button four or five times before waking up? Do you have to be physically pulled out of bed every morning? Do you ever wonder if that's normal and healthy? Well, this episode is for you!
SciShow
What Does Your Uvula Do?
Ever wonder what that dangling thing in the back of your throat is good for? Hank Green explains in this episode of SciShow Quick Questions.
TED Talks
TED: Open science now! | Michael Nielsen
What if every scientist could share their data as easily as they tweet about their lunch? Michael Nielsen calls for scientists to embrace new tools for collaboration that will enable discoveries to happen at the speed of Twitter.
SciShow
Does Using Your Phone Really Hurt Your Sleep?
You've probably heard that some types of light, like the kind that comes from your phone or laptop, can be bad for your sleep if you use them too close to bedtime. But let's be real, nighttime is the best time to binge TV, so are we...
TED Talks
TED: Medicine for the 99 percent | Thomas Pogge
Sad but true: Many of the cures and vaccines our world desperately needs -- for illnesses millions of people have -- just aren't being produced or developed, because there's no financial incentive. Thomas Pogge proposes a $6 billion plan...