Crash Course
Why Do Outbreaks Affect People Unequally? Crash Course Outbreak Science
We’re all susceptible to infectious disease of some kind or other, but not everyone is equally likely to be the victim of an outbreak. The fact is, inequalities both between and within communities mean that some people are at higher risk...
TED Talks
Jessica Jackley: Poverty, money -- and love
What do you think of people in poverty? Maybe what Jessica Jackley once did: "they" need "our" help, in the form of a few coins in a jar. The co-founder of Kiva.org talks about how her attitude changed -- and how her work with microloans...
MinuteEarth
The Plankton Paradox
The competitive exclusion principle predicts that there would just be a few species of plankton, but instead there are thousands.
TED Talks
Matthieu Ricard: How to let altruism be your guide
What is altruism? Put simply, it's the wish that other people may be happy. And, says Matthieu Ricard, a happiness researcher and a Buddhist monk, altruism is also a great lens for making decisions, both for the short and long term, in...
SciShow
The First Commercial Mission to the Moon!
A private company has been approved to land on the moon!
TED Talks
Kara Logan Berlin: 3 ways to be a more effective fundraiser
How do you raise money to get an idea off the ground, support a community, or help change the world? Take a crash course on the secret art of successful fundraising with development strategist Kara Logan Berlin as she shows how you can...
MinuteEarth
How To Go Extinct
Our new evolution simulator reveals that extinction often happens when conditions change quickly.
SciShow
Could We Breed Giant Spiders?
If, for some wild reason, we decided that breeding humongous spiders was a good idea, could we actually pull it off?
TED-Ed
TED-Ed: How do we create a better economy? | TED-Ed
Can we call any economy "healthy" in the face of dwindling resources and growing inequality? What if we cut off our addiction to endless growth, and used a new compass for modern prosperity? One such compass is known as "doughnut...
Crash Course
Drought and Famine: Crash Course World History
In which John Green teaches you a little bit about drought, which is a natural weather phenomenon, and famine, which is almost always the result of human activity. Throughout human history, when food shortages strike humanity, there was...
Crash Course Kids
Big Changes in the Big Apple
Did you know that all living things change their environments? It's true. Beavers, deer, worms, and humans all change their environments. It just so happens that humans change our environments in big, obvious ways. In this episode,...
TED Talks
TED: Why Africa must become a center of knowledge again | Olufemi Taiwo
How can Africa, the home to some of the largest bodies of water in the world, be said to have a water crisis? It doesn't, says Olufemi Taiwo -- it has a knowledge crisis. Taiwo suggests that lack of knowledge on important topics like...
Crash Course
Capitalism, Communism, & Political Economies: Crash Course Geography
Just like many great duos throughout history, Bulgaria and Germany have a fascinating (though uneven) relationship. In today’s episode, we’re going to take a closer look at the impact of politics on economies as we trace this history of...
TED-Ed
TED-Ed: What does the world's largest machine do? | Henry Richardson
In 1967, Homer Loutzenheuser flipped a switch and connected the power grids of the United States, forming one interconnected machine. Today, the US power grid is the world's largest machine, containing more than 7,300...
TED Talks
TED: A bold plan to transform access to the US social safety net | Amanda Renteria
Digital public servant Amanda Renteria has seen that the millions of people who rely on government welfare services are often discouraged from seeking them out, frustrated by long lines and unnecessarily complicated processes. At Code...
Crash Course
Water and Classical Civilizations: Crash Course World History 222
In which John Green teaches you about water! So, we talk about resources a lot on Crash Course, and today is no exception. It turns out people can't live without water, which means it's absolutely necessary for civilization. Today John...
Crash Course
Mineral Extraction: Crash Course Geography
Today we're going to take a look at mineral extraction -- or the removal of rocks and minerals from the Earths' crust -- and examine how this human activity impacts all aspects of Geography. We'll focus on the Democratic Republic of the...
TED Talks
Ernest Madu: World-class health care
Dr. Ernest Madu runs the Heart Institute of the Caribbean in Kingston, Jamaica, where he proves that -- with careful design, smart technical choices, and a true desire to serve -- it's possible to offer world-class healthcare in the...
TED Talks
TED: How moms shape the world | Anna Malaika Tubbs
Mothers undeniably impact and shape history -- but their stories are often left out or misrepresented, says sociologist and author Anna Malaika Tubbs. This erasure limits policies to support mothers and their essential roles in society....
TED-Ed
TED-Ed: Can the economy grow forever? | TED-Ed
Many economists think that an eternally growing economy is necessary to keep improving people's lives, and that if the global economy stops growing, people would fight more over the fixed amount of value that exists, rather than working...
TED-Ed
TED-Ed: Could human civilization spread across the whole galaxy? - Roey Tzezana
Could human civilization eventually spread across the whole Milky Way galaxy? Could we move beyond our small, blue planet to establish colonies in the multitude of star systems out there? These questions are pretty daunting, but their...
TED-Ed
TED-Ed: The sibling rivalry that divided a town | Jay Van Bavel and Dominic Packer
One day a pair of brothers working together as shoemakers had an explosive fight that split the family business in two. Over the coming years, this disagreement divided their town— residents and businesses chose sides. Could such a...
TED Talks
TED: How will we survive when the population hits 10 billion? | Charles C. Mann
By 2050, an estimated 10 billion people will live on earth. How are we going to provide everybody with basic needs while also avoiding the worst impacts of climate change? In a talk packed with wit and wisdom, science journalist Charles...
TED Talks
TED: Doesn't everyone deserve a chance at a good life? | Jim Yong Kim
Aspirations are rising as never before across the world, thanks in large part to smartphones and the internet -- will they be met with opportunity or frustration? As President of the World Bank Group, Jim Yong Kim wants to end extreme...