TED Talks
Simon Anholt: Which country does the most good for the world?
It's an unexpected side effect of globalization: problems that once would have stayed local—say, a bank lending out too much money—now have consequences worldwide. But still, countries operate independently, as if alone on the planet....
TED Talks
TED: A "forest generation" living in harmony with nature | Ernestine Leikeki Sevidzem
We need to care for and live in harmony with the environment, says climate and gender activist Ernestine Leikeki Sevidzem. The best way to do that? Nurture a forest generation: one that learns to protect nature. Sevidzem shares how she's...
TED Talks
TED: Does the media have a "duty of care"? - David Puttnam
In this thoughtful talk, David Puttnam asks a big question about the media: Does it have a moral imperative to create informed citizens, to support democracy? His solution for ensuring media responsibility is bold, and you might not...
TED Talks
Geoff Mulgan: Post-crash, investing in a better world
As we reboot the world's economy, Geoff Mulgan poses a question: Instead of sending bailout money to doomed old industries, why not use stimulus funds to bootstrap some new, socially responsible companies -- and make the world a little...
SciShow Kids
4 Reasons Cows are Awesome!
Did you know that there were over 200 types of cows? Join Jessi and Squeaks as they discuss some cool facts about these amazing animals.
Crash Course
Is Growth Right For You? Crash Course Entrepreneurship
In business, growth basically means making a company more successful in some way: finding a new revenue stream, revamping the cost structure to minimize expenses and increase profit, or adding new people and knowledge to the team. Our...
TED Talks
TED: Prepare for a good end of life | Judy MacDonald Johnston
Thinking about death is frightening, but planning ahead is practical and leaves more room for peace of mind in our final days. In a solemn, thoughtful talk, Judy MacDonald Johnston shares 5 practices for planning for a good end of life.
TED Talks
TED: The joy of taking out the trash | Aparna Nancherla
Comedian Aparna Nancherla loves to take out the trash. In this funny and sharp meditation on garbage -- "the stuff that our modern, consumerist, carbon-powered culture makes us buy endlessly, and often for no reason" -- she shares...
SciShow
Factitious Disorder: Why People Fake Serious Illness
You might have faked being sick to avoid doing something unpleasant. However, for people with the factitious disorder, faking illness isn't quite so straightforward.
TED Talks
TED: What you don't know about marriage | Jenna McCarthy
In this funny, casual talk from TEDx, writer Jenna McCarthy shares surprising research on how marriages (especially happy marriages) really work. One tip: Do not try to win an Oscar for best actress.
SciShow
5 Weird Reasons Not to Smoke
Hank gives you five MORE reasons why you should probably avoid smoking, or quit if you already smoke - in addition to those big ones you already know about. These are the weird reasons.
SciShow
Why Electronics Just Shouldn't Work
Every wire, memory chip, and radio link is constantly fending off data corruption with error detecting and correcting codes. With the help of these codes, electronics can keep up the illusion of perfection… most of the time.
SciShow
Why These Bees Just Keep Staring at Flowers
You might have wondered why bumblebees stop for a moment to stare at the flower they were just interacted with. Are they cherishing all the good times they had together, or is this behavior serving a biological purpose?
SciShow
6 Ways Species Rely on Humans for Survival
Sometimes, a species has declined so dramatically that they require serious human intervention to ensure they don’t disappear forever. Here are six ways we’re using conservation and science to keep those species alive....
Chapters
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Bozeman Science
Logistic Growth
Paul Andersen explains how populations eventually reach a carrying capacity in logistic growth. He begins with a brief discussion of population size ( N ), growth rate ( r ) and exponential growth. He then explains how density dependent...
SciShow
Are Sympathy Pains Real?
Some people can truly feel other people’s pain! But even if you aren't someone who can literally feel someone else’s sensations, your connections with people can still do some powerful things.
3Blue1Brown
Euler's Formula and Graph Duality
A very clever proof of Euler's characteristic formula using spanning trees.
MinuteEarth
The Problem With Life Expectancy
In order to truly understand differences among animal lifespans, we need to stop thinking about a specific number and start thinking about a distribution.
Crash Course
Aesthetic Appreciation: Crash Course Philosophy
Today we are talking about art and aesthetic appreciation. What makes something an artwork? Can art really be defined? Is aesthetic value is objective or subjective? Can taste be developed? How?
SciShow
Awesome Animal Dads
Let's talk about some of the awesome single dads out there in the animal kingdom!
TED Talks
Will Hurd: A wall won't solve America's border problems
"Building a 30-foot-high concrete structure from sea to shining sea is the most expensive and least effective way to do border security," says Congressman Will Hurd, a Republican from Texas whose district encompasses two times zones and...
TED Talks
TED: What separates us from chimpanzees? | Jane Goodall
Jane Goodall hasn't found the missing link, but she's come closer than nearly anyone else. The primatologist says the only real difference between humans and chimps is our sophisticated language. She urges us to start using it to change...
TED Talks
TED: Why I fight for climate justice | Xiye Bastida
In a deeply moving letter to her grandmother, Xiye Bastida reflects on what led her to become a leading voice for global climate activism -- from mobilizing school climate strikes to speaking at the United Nations Climate Summit...
TED Talks
BJ Miller: What really matters at the end of life
At the end of our lives, what do we most wish for? For many, it's simply comfort, respect, love. BJ Miller is a hospice and palliative medicine physician who thinks deeply about how to create a dignified, graceful end of life for his...