SciShow
The Truth About Subliminal Messages
Subliminal advertising would be every advertiser’s perfect fantasy and every consumer’s worst nightmare… if it really worked.
Bozeman Science
LS4B - Natural Selection
In this video Paul Andersen defines natural selection as differential reproductive success. He then explains how natural selection shapes organisms on our planet through variation and selection. A K-12 teaching progression is also included.
TED Talks
TED: Your brain hallucinates your conscious reality | Anil Seth
Right now, billions of neurons in your brain are working together to generate a conscious experience -- and not just any conscious experience, your experience of the world around you and of yourself within it. How does this happen?...
TED Talks
Ge Wang: The DIY orchestra of the future
Ge Wang makes computer music, but it isn't all about coded bleeps and blips. With the Stanford Laptop Orchestra, he creates new instruments out of unexpected materials—like an Ikea bowl—that allow musicians to play music that's both...
TED Talks
TED: What happens when a city runs out of room for its dead | Alison Killing
If you want to go out and start your own cemetery in the uK, says Alison Killing, "you kind of can." She thinks a lot about where we die and are buried -- and in this talk, the architect and TED Fellow offers an eye-opening economic and...
TED Talks
Mi hija quiere entender el sistema financiero
Mi hija quiere entender el sistema financiero El escritor Hernán Casciari cuenta un cuento de hadas que puede parecer extrañamente familiar; un cuento completo con malas inversiones, préstamos defectuosos, informes crediticios poco...
PBS
How Many Humans Have the Same Number of Body Hairs?
Do two people on the planet have the exact same number of body hairs? How about more than two? There's a simple yet powerful mathematical principle that can help you find out the answer. Kelsey Houston-Edwards breaks down the Pigeonhole...
MinutePhysics
Albert Einstein - Why Light is Quantum
Pi day (3.14) is Albert Einstein's Birthday! To celebrate, we'll explain 4 of his most groundbreaking papers from 1905, when he was just 26 years old.
TED Talks
AJ Jacobs: My year of living biblically
Author, philosopher, prankster and journalist AJ Jacobs talks about the year he spent living biblically -- following the rules in the Bible as literally as possible.
TED Talks
Evan Williams: The voices of Twitter users
In the year leading up to this talk, the web tool Twitter exploded in size (up 10x during 2008 alone). Co-founder Evan Williams reveals that many of the ideas driving that growth came from unexpected uses invented by the users themselves.
TED Talks
Golan Levin: Art that looks back at you
Golan Levin, an artist and engineer, uses modern tools -- robotics, new software, cognitive research -- to make artworks that surprise and delight. Watch as sounds become shapes, bodies create paintings, and a curious eye looks back at...
TED Talks
Lesley Hazleton: On reading the Koran
Lesley Hazleton sat down one day to read the Koran. And what she found -- as a non-Muslim, a self-identified "tourist" in the Islamic holy book -- wasn't what she expected. With serious scholarship and warm humor, Hazleton shares the...
TED Talks
Shilo Shiv Suleman: Using tech to enable dreaming
Has our technology -- our cell phones and iPods and cameras -- stopped us from dreaming? Young artist Shilo Shiv Suleman says no, as she demos "Khoya," her new storybook for iPad, which floats us through a magical world in 7 minutes of...
TED Talks
Reggie Watts: Beats that defy boxes
Reggie Watts' beats defy boxes. Unplug your logic board and watch as he blends poetry and crosses musical genres in this larger-than-life performance.
TED Talks
Emilie Wapnick: Why some of us don't have one true calling
What do you want to be when you grow up? Well, if you're not sure you want to do just one thing for the rest of your life, you're not alone. In this illuminating talk, writer and artist Emilie Wapnick describes the kind of people she...
TED Talks
TED: Chasms | Asali DeVan Ecclesiastes
Writer and activist Asali DeVan Ecclesiastes lights up the stage with a powerful poem about hope, truth and the space between who we are and who we want to be.
Curated Video
Who Started World War I: Crash Course World History 210
In which John Green teaches you WHY World War I started. Or tries to anyway. With this kind of thing, it's kind of hard to assign blame to any one of the nations involved. Did the fault lie with Austria-Hungary? Germany? Russia? Julius...
TED Talks
TED: Synthetic voices, as unique as fingerprints | Rupal Patel
Many of those with severe speech disorders use a computerized device to communicate. Yet they choose between only a few voice options. That's why Stephen Hawking has an American accent, and why many people end up with the same voice,...
TED Talks
Toby Eccles: Invest in social change
Here's a stat worth knowing: In the UK, 63% of men who finish short-term prison sentences are back inside within a year for another crime. Helping them stay outside involves job training, classes, therapy. And it would pay off handsomely...
SciShow
What the World’s Smallest Tweezers Tell Us About DNA
DNA isn’t the simple, loose double-helix you might see in a biology textbook, so isolating single strands of it can be next to impossible. But with some simple tricks of physics, scientists came up with a special type of tweezers that...
TED Talks
Dan Dennett: Dangerous memes
Starting with the simple tale of an ant, philosopher Dan Dennett unleashes a devastating salvo of ideas, making a powerful case for the existence of memes -- concepts that are literally alive.
TED Talks
Nilofer Merchant: Got a meeting? Take a walk
Nilofer Merchant suggests a small idea that just might have a big impact on your life and health: Next time you have a one-on-one meeting, make it into a "walking meeting" -- and let ideas flow while you walk and talk.
TED Talks
Apollo Robbins: The art of misdirection
Hailed as the greatest pickpocket in the world, Apollo Robbins studies the quirks of human behavior as he steals your watch. In a hilarious demonstration, Robbins samples the buffet of the TEDGlobal 2013 audience, showing how the flaws...
TED Talks
TED: What would happen if we upload our brains to computers? | Robin Hanson
Meet the "ems" -- machines that emulate human brains and can think, feel and work just like the brains they're copied from. Futurist and social scientist Robin Hanson describes a possible future when ems take over the global economy,...