TED Talks
Dan Barasch: A park underneath the hustle and bustle of New York City
Dan Barasch and James Ramsey have a crazy plan — to create a park, filled with greenery, underneath New York City. The two are developing the Lowline, an underground greenspace the size of a football field. They're building it in a...
TED Talks
TED: Globalization is ending. What's next? | Mike O'Sullivan
Globalization is on its deathbed, says economist Mike O'Sullivan. The question now is: What's next? Tracing the historical successes and failures of globalization, O'Sullivan forecasts a new world order where countries come together over...
Crash Course
Data & Infographics: Crash Course Navigating Digital Information #8
Today, we're going to discuss how numbers, like statistics, and visual representations like charts and infographics can be used to help us better understand the world or profoundly deceive. Data is a really powerful form of evidence...
SciShow
What Will Happen to The ISS?
After more than two decades buzzing around above our heads, the life of the ISS will soon be coming to a close. But what does that actually look like? And what does it mean for the future of space experimentation?
TED-Ed
TED-ED: The mighty mathematics of the lever - Andy Peterson and Zack Patterson
Archimedes once said "Give me a place to stand, and I shall move the Earth." While the idea of a person moving such a huge mass on their own might sound impossible, chances are you've seen this idea in action at your local playground....
TED-Ed
TED-Ed: Dissecting Botticelli's Adoration of the Magi - James Earle
The scene of the three wise men offering gifts to a newborn Jesus was widely painted during the Renaissance era, so how did painter Sandro Botticelli create a version that's still well known today? James Earle describes who and what set...
TED Talks
Ariel Garten: Know thyself, with a brain scanner
Imagine playing a video game controlled by your mind. Now imagine that game also teaches you about your own patterns of stress, relaxation and focus. Ariel Garten shows how looking at our own brain activity gives new meaning to the...
SciShow
The Horrible Reason Rolly Pollies are Sometimes Blue
If you uncover a bunch of rolly pollies under a log, you don't expect to find a bright blue one crawling among all the usual grays and browns. But it turns out your fun surprise is some very bad luck for that terrestrial isopod.
Crash Course
The Transatlantic Slave Trade Crash Course Black American History
Today we're learning about the Transatlantic Slave Trade, which brought millions of captive Africans to the Americas between the 16th and 19th centuries, with the largest number of people trafficked between 1700 and 1808. We'll look at...
TED Talks
TED: How the military fights climate change | David Titley
Military leaders have known for millennia that the time to prepare for a challenge is before it hits you, says scientist and retired US Navy officer David Titley. He takes us from the humanitarian catastrophe in Syria to the icy shores...
TED Talks
Bill Gross: The single biggest reason why startups succeed
Bill Gross has founded a lot of startups, and incubated many others -- and he got curious about why some succeeded and others failed. So he gathered data from hundreds of companies, his own and other people's, and ranked each company on...
TED-Ed
TED-Ed: History vs. Augustus - Alex Gendler and Peta Greenfield
His reign marked the beginning of one of history's greatest empires . . . and the end of one of its first republics. Was Rome's first emperor a visionary leader who guaranteed his civilization's place in history, or a tyrant who...
TED Talks
TED: Hamilton vs. Madison and the birth of American partisanship | Noah Feldman
The divisiveness plaguing American politics today is nothing new, says constitutional law scholar Noah Feldman. In fact, it dates back to the early days of the republic, when a dispute between Alexander Hamilton and James Madison led the...
TED-Ed
TED-Ed: Does trickle-down economics actually work? | Jonathan Smith
In 1981, the US economy was struggling: unemployment rates were climbing and inflation had peaked at an all-time high. To combat these issues, President Reagan introduced a number of economic policies, including tax cuts for large...
TED Talks
TED: Why are these 32 symbols found in ancient caves all over europe? | Genevieve von Petzinger
Written language, the hallmark of human civilization, didn't just suddenly appear one day. Thousands of years before the first fully developed writing systems, our ancestors scrawled geometric signs across the walls of the caves they...
TED-Ed
TED-Ed: The myth of Anansi, the trickster spider | Emily Zobel Marshall
Long ago, all stories belonged to Nyame, the all-seeing Sky God. But one creature, Anansi, was determined to bring the stories down to Earth. Anansi went to Nyame and requested to take ownership of the world's stories. The Sky God told...
TED Talks
Mike Biddle: We can recycle plastic
Less than 10% of plastic trash is recycled -- compared to almost 90% of metals -- because of the massively complicated problem of finding and sorting the different kinds. Frustrated by this waste, Mike Biddle has developed a cheap and...
SciShow
3 Big Discoveries Made by the International Space Station
We all know it's awesome, and we could watch Chris Hadfield sing all day, but do you know about the awesome science that's being done on the International Space Station? Hank explains three big discoveries made on the ISS that you should...
TED Talks
Angelicque White: What ocean microbes reveal about the changing climate
When the ocean changes, the planet changes -- and it all starts with microbes, says biological oceanographer Angelicque White. Backed by decades of data, White shares how scientists use these ancient microorganisms as a crucial barometer...
Amoeba Sisters
Biological Levels in Biology: The World Tour
The Amoeba Sisters tour through the biological levels of organization: cells, tissues, organs, organ systems, organism, population, community, ecosystem, biome, biosphere! Table of Contents: 00:00 Intro 0:44 Cells 1:42 Tissues 1:51...
Crash Course
What is a “Developed” Country? Crash Course Geography
Today we’re going to discuss what it means for a place to be “developed”. Development is often associated with economic success — that is countries with higher standards of living and material wealth like those found in Europe and North...
TED Talks
Norman Foster: My green agenda for architecture
Architect Norman Foster discusses his own work to show how computers can help architects design buildings that are green, beautiful and "basically pollution-free." From the 2007 DLD Conference, Munich; www.dld-conference.com
SciShow
How Did North America End Up With a Marsupial?
Both North and South America have their own species of marsupial, the opossum, but how they got so far away from their Australian relatives is a bit of a mystery.
SciShow
Why Don't All Birds Fly in V Shapes?
Some birds fly in V shapes because it has many benefits, but other birds fly in clumps instead. Why would they do that?