SciShow
Alice Hamilton: The Doctor Who Made Work Safer | Great Minds
During the period of rapid industrialization at the turn of the 20th century, factory jobs were incredibly unsafe. That is, until Dr. Alice Hamilton basically became an investigative reporter to figure out how factories were poisoning...
TED Talks
Technology can't fix inequality -- but training and opportunities could | 'Gbenga Sesan
Centuries of inequality can't be solved with access to technology alone -- we need to connect people with training and support too, says tech inclusionist 'Gbenga Sesan. Sharing the work behind the Paradigm Initiative, a social...
SciShow
The Surprising Link Between Allergies and Suicide
Our mood is influenced in many ways by our environment, and researchers have discovered a possible connection between the pollen in our air and a rise in suicide.
TED Talks
TED: The science behind a climate headline | Rachel Pike
In 4 minutes, atmospheric chemist Rachel Pike provides a glimpse of the massive scientific effort behind the bold headlines on climate change, with her team -- one of thousands who contributed -- taking a risky flight over the rainforest...
Crash Course
What Is Justice?: Crash Course Philosophy
In today’s episode, Hank asks you to consider all the ways people talk about justice and what we really mean when we use that word. We’ll explain various theories of justice, just distribution, and different approaches to punishment.
TED Talks
Shimon Schocken: The self-organizing computer course
Shimon Schocken and Noam Nisan developed a curriculum for their students to build a computer, piece by piece. When they put the course online -- giving away the tools, simulators, chip specifications and other building blocks -- they...
SciShow
Moon dust tricky squid and the worlds biggest telescope
Hank explains the enormity of the Giant Magellan Telescope, possibly the biggest telescope ever built, as well as updates about NASA's new mission to the moon, and an unusual discovery about the habits of deep-sea squid.
SciShow
Ballot Design Has a Sneaky Influence on Your Vote
In elections, your vote may be influenced by design of the ballot itself, especially when you don’t have strong feelings about which candidate to elect.
TED Talks
Shereen El-Feki: HIV -- how to fight an epidemic of bad laws
There is an epidemic of HIV, and with it an epidemic of bad laws -- laws that effectively criminalize being HIV positive. At the TEDxSummit in Doha, TED Fellow Shereen El-Feki gives a forceful argument that these laws, based in stigma,...
SciShow
Hank vs Aranda: The FINAL FACE-OFF | SciShow Quiz Show
Two SciShow hosts go head-to-head in a battle to figure out who will be the reigning champion for this era of SciShow Quiz Show!
TED Talks
TED: Is war between China and the US inevitable? | Graham Allison
Taking lessons from a historical pattern called "Thucydides's Trap," political scientist Graham Allison shows why a rising China and a dominant United States could be headed towards a violent collision no one wants -- and how we can...
3Blue1Brown
Binary, Hanoi, and Sierpinski, part 2
How counting in Ternary can solve a variant of the Tower's of Hanoi puzzle, and how this gives rise to a beautiful connection to Sierpinski's triangle.
TED Talks
Maurizio Seracini: The secret lives of paintings
Art history is far from set in stone. Engineer Maurizio Seracini spent 30 years searching for Leonardo da Vinci's lost fresco "The Battle of Anghiari," and in the process discovered that many paintings have layers of history hidden...
SciShow
How Restaurants Use Psychology to Make You Spend More Money
Restaurants have a whole bucket-load of tricks up their sleeves to get you to spend more money.
TED Talks
Rachel Armstrong: Architecture that repairs itself?
Venice is sinking. To save it, Rachel Armstrong says we need to outgrow architecture made of inert materials and, well, make architecture that grows itself. She proposes a not-quite-alive material that does its own repairs and sequesters...
TED-Ed
TED-ED: Why do we love? A philosophical inquiry - Skye C. Cleary
Ah, romantic love; beautiful and intoxicating, heart-breaking and soul-crushing... often all at the same time! If romantic love has a purpose, neither science nor psychology has discovered it yet _ but over the course of history, some of...
TED Talks
TED: How wind energy could power Earth ... 18 times over | Dan Jørgensen
Over the last two decades, the wind power industry has grown at a dizzying pace. (Fun fact: a single rotation from one of the world's most powerful wind turbines can generate enough electricity to charge more than 1,400 cell phones.)...
SciShow
How Are Search Engines So Fast?
Google can find something for you on the other side of the world in less than a second. Why does your personal computer take so much longer?
TED-Ed
TED-Ed: If superpowers were real: Body mass - Joy Lin
What if manipulating body mass wasn't just the stuff of epic comic book stories? Is it scientifically possible to manipulate your body mass? In this series, Joy Lin tackles six superpowers and reveals just how scientifically realistic...
TED Talks
David Brooks: Should you live for your r_sum_ ... or your eulogy?
Within each of us are two selves, suggests David Brooks in this meditative short talk: the self who craves success, who builds a r_sum_, and the self who seeks connection, community, love -- the values that make for a great eulogy....
TED-Ed
TED-ED: This is Sparta: Fierce warriors of the ancient world - Craig Zimmer
In ancient Greece, violent internal conflict between border neighbors and war with foreign invaders was a way of life, and Greeks were considered premier warriors. Sparta, specifically, had an army of the most feared warriors in the...
TED Talks
TED: 7 principles for building better cities | Peter Calthorpe
More than half of the world's population already lives in cities, and another 2.5 billion people are projected to move to urban areas by 2050. The way we build new cities will be at the heart of so much that matters, from climate change...
TED Talks
TED: How students of color confront impostor syndrome | Dena Simmons
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. As a black woman from a tough part of the Bronx who grew up to attain all the markers of academic prestige, Dena...
MinutePhysics
What is the Purpose of Life? (Big Picture Ep. 5/5)
This video is about how life arose and what its main function or purpose in the universe seems to be. Thanks to Sean Carroll for collaborating on it! This video is about how life arose and what its main function or purpose in the...