SciShow
Who Owns Space?
Several companies are already working on plans to mine space objects, but who owns what in space?
TED Talks
Joanne Chory: How supercharged plants could slow climate change
Plants are amazing machines -- for millions of years, they've taken carbon dioxide out of the air and stored it underground, keeping a crucial check on the global climate. Plant geneticist Joanne Chory is working to amplify this special...
TED Talks
Emily Oster: Flip your thinking on AIDS in Africa
Emily Oster re-examines the stats on AIDS in Africa from an economic perspective and reaches a stunning conclusion: Everything we know about the spread of HIV on the continent is wrong.
TED Talks
Nick Hanauer: Beware, fellow plutocrats, the pitchforks are coming
Nick Hanauer is a rich guy, an unrepentant capitalist — and he has something to say to his fellow plutocrats: Wake up! Growing inequality is about to push our societies into conditions resembling pre-revolutionary France. Hear his...
TED Talks
Hans Rosling: New insights on poverty
Researcher Hans Rosling uses his cool data tools to show how countries are pulling themselves out of poverty. He demos Dollar Street, comparing households of varying income levels worldwide. Then he does something really amazing.
TED Talks
Jeff Hawkins: How brain science will change computing
Treo creator Jeff Hawkins urges us to take a new look at the brain -- to see it not as a fast processor, but as a memory system that stores and plays back experiences to help us predict, intelligently, what will happen next.
TED Talks
Julian Treasure: Shh! Sound health in 8 steps
Julian Treasure says our increasingly noisy world is gnawing away at our mental health -- even costing lives. He lays out an 8-step plan to soften this sonic assault (starting with those cheap earbuds) and restore our relationship with...
SciShow
Why Do Itches Make You Chase Them?
Have you ever said, "No, a little to the left," during a back scratch because the itch itself seemed to move? Well, it has to do with how your nerves and brain respond to the sensation.
SciShow
SciShow Quiz Show: Pit Stains & Climate Change
Megan Toenyes, a former SciShow videomaker returns for a showdown with her former employer!
TED Talks
TED: Tales of passion | Isabel Allende
Author and activist Isabel Allende discusses women, creativity, the definition of feminism -- and, of course, passion -- in this talk.
SciShow
We're bad judges, better teachers, and video games are pretty good for us
Humans judge each other within 33 milliseconds of seeing each other! We learn better if we think we have to teach someone else, and video games are good for us!
TED Talks
Bina Venkataraman: The power to think ahead in a reckless age
In a forward-looking talk, author Bina Venkataraman answers a pivotal question of our time: How can we secure our future and do right by future generations? She parses the mistakes we make when imagining the future of our lives,...
TED Talks
Neil Harbisson: I listen to color
Artist Neil Harbisson was born completely color blind, but these days a device attached to his head turns color into audible frequencies. Instead of seeing a world in grayscale, Harbisson can hear a symphony of color -- and yes, even...
TED Talks
TED: Why I speak up about living with epilepsy | Sitawa Wafula
Once homebound by epilepsy, mental health advocate Sitawa Wafula found her strength in writing about it. Now, she advocates for others who are yet to find their voices, cutting through stigma and exclusion to talk about what it's like to...
TED Talks
Bran Ferren: To create for the ages, let's combine art and engineering
When Bran Ferren was just 9, his parents took him to see the Pantheon in Rome — and it changed everything. In that moment, he began to understand how the tools of science and engineering become more powerful when combined with art, with...
TED Talks
David Hoffman: Sputnik mania
Filmmaker David Hoffman shares footage from his feature-length documentary Sputnik Mania, which shows how the Soviet Union's launch of Sputnik in 1957 led to both the space race and the arms race -- and jump-started science and math...
TED Talks
John Hunter: Teaching with the World Peace Game
John Hunter puts all the problems of the world on a 4'x5' plywood board -- and lets his 4th-graders solve them. At TED2011, he explains how his World Peace Game engages schoolkids, and why the complex lessons it teaches -- spontaneous,...
TED Talks
TED: The beautiful tricks of flowers | Jonathan Drori
In this visually dazzling talk, Jonathan Drori shows the extraordinary ways flowering plants -- over a quarter million species -- have evolved to attract insects to spread their pollen: growing 'landing-strips' to guide the insects in,...
SciShow
SciShow Quiz Show: Battle of the Brains!
It's the battle of the SciShow Psych Hosts: Brit Garner and Hank Green! Brit came prepared, but can Hank still win the game for his Patron?
SciShow
8 Animal Friendships That'll Give You All the Feels
Whether it’s for food, protection, or a little healthy grooming, a lot of animals of different species form some surprising mutualistic relationships in nature. Chapters View all AMERICAN BADGER Credit: Jonathunder 1:00 1 COYOTES &...
TED Talks
TED: Stand with Ukraine in the fight against evil | Garry Kasparov
Ukraine is on the front line of a war between freedom and tyranny, says chess grandmaster and human rights advocate Garry Kasparov. In this blistering call to action, he traces Vladimir Putin's rise to power and details his own path from...
TED Talks
Arthur Potts Dawson: A vision for sustainable restaurants
If you've been in a restaurant kitchen, you've seen how much food, water and energy can be wasted there. Chef Arthur Potts-Dawson shares his very personal vision for drastically reducing restaurant, and supermarket, waste -- creating...