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Browse curated homeschool resources from the community
What Did Democracy Really Mean in Athens Melissa Schwartzberg
While we might consider elections to be the cornerstone of democracy, the Athenians who coined the term actually employed a lottery system to choose most of their politicians. Melissa Schwartzberg describes the ins and outs of the Athenian democracy, and addresses some ways in which a lottery system might benefit us today.
How Many Universes Are There
The fact that no one knows the answer to this question is what makes it exciting. The story of physics has been one of an ever-expanding understanding of the sheer scale of reality, to the point where physicists are now postulating that there may be far more universes than just our own. Chris Anderson explores the thrilling implications of this idea.
Encyclopedic Entry: Ecosystem
An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscapes, work together to form a bubble of life.
Ian Goldin Navigating Our Global Future
As globalization and technological advances bring us hurtling towards a new integrated future, Ian Goldin warns that not all people may benefit equally. But, he says, if we can recognize this danger, we might yet realize the possibility of improved life for everyone. Ian Goldin is director of the 21st Century School at Oxford. Through the school's program of research, collaboration and education, he's powering new, cross-disciplinary thinking about global problems from the near and far future.
The Threat of Invasive Species Jennifer Klos
Massive vines that blanket the southern United States, climbing high as they uproot trees and swallow buildings. A ravenous snake that is capable of devouring an alligator. Rabbit populations that eat themselves into starvation. These aren’t horror movie concepts – they’re real stories. But how could such situations exist in nature? Jennifer Klos gives the facts on invasive species.
Plato s Best and Worst Ideas Wisecrack
Few individuals have influenced the world and many of today’s thinkers like Plato. He created the first Western university and was teacher to Ancient Greece’s greatest minds, including Aristotle. But even he wasn’t perfect. Along with his great ideas, Plato had a few that haven’t exactly stood the test of time. Wisecrack gives a brief rundown of a few of Plato’s best and worst ideas.
How to Manage Your Emotions
After a week of studying, you feel confident that you'll ace your exam. But when you get your grade back, it's much lower than you expected. You’re devastated, and the disappointment is hard to shake. Should you be trying to look on the bright side? And is controlling your emotions even possible? Explore techniques to help you identify, understand, and regulate your emotions.
Is There a Limit to Technological Progress Clement Vidal
Many generations have felt they’ve reached the pinnacle of technological advancement. Yet, if you look back 100 years, the technologies we take for granted today would seem like impossible magic. So — will there be a point where we reach an actual limit of technological progress? And if so, are we anywhere near that limit now? Clément Vidal consults Kardashev’s scale to find out.
The Power of Simple Words
Long, fancy words designed to show off your intelligence and vocabulary are all very well, but they aren't always the best words. In this short, playful video Terin Izil explains why simple, punchy language is often the clearest way to convey a message.
Why the Insect Brain is so Incredible Anna Stockl
The human brain is one of the most sophisticated organs in the world, a supercomputer made of billions of neurons that control all of our senses, thoughts, and actions. But there was something Charles Darwin found even more impressive: the brain of an ant, which he called “one of the most marvelous atoms of matter in the world.” Anna Stöckl takes us inside the tiny but mighty insect brain.