SciShow
Origins of Intolerance
Hank's news this week informs us on a couple of crazy science experiments, updates us on some earlier topics (dangerous asteroids and ancient phallic rock art), and briefs us on a new study that seeks to find the evolutionary origins of...
TED Talks
Rebecca MacKinnon: Let's take back the Internet!
In this powerful talk from TEDGlobal, Rebecca MacKinnon describes the expanding struggle for freedom and control in cyberspace, and asks: How do we design the next phase of the Internet with accountability and freedom at its core, rather...
SciShow
Are Self-Driving Cars Safe?
Tesla's Autopilot system is the most advanced available right now, but it has limitations, and some of those limitations might be us.
SciShow
A Very Handy Fish Fossil
This week, scientists discover something in a fish fossil that might give us a hand in finding our earliest land-dwelling ancestors.
TED Talks
TED: My glacier cave discoveries | Eddy Cartaya
Snow Dragon. Pure Imagination. Frozen Minotaur. These are the names Eddy Cartaya and his climbing partner Brent McGregor gave three glacier caves that they were the first to explore. As the Sandy Glacier slowly slides down Mount Hood in...
Crash Course
Freedom of the Press: Crash Course Government and Politics
Today, Craig is going to finish up our discussion of the First Amendment with freedom of the press. Like an individual's right to free speech, the press has a right, and arguably responsibility, to tell the public what the government is...
TED-Ed
TED-Ed: The art forger who tricked the Nazis
It was one of the strangest trials in Dutch history. The defendant in a 1947 case was an art forger who had counterfeited millions of dollars worth of paintings. But he wasn’t arguing his innocence— in fact, his life depended on proving...
TED Talks
TED: Why having fun is the secret to a healthier life | Catherine Price
Have you had your daily dose of fun? It's not just enjoyable, it's also essential for your health and happiness, says science journalist Catherine Price. She proposes a new definition of fun -- what she calls "true fun" -- and shares...
3Blue1Brown
Rediscovering Euler's formula with a mug (not that Euler's formula) - Part 4 of 4
A classic puzzle in graph theory, the "Utilities problem", a description of why it is unsolvable on a plane, and how it becomes solvable on surfaces with a different topology.
TED Talks
Mitch Resnick: Let's teach kids to code
Coding isn't just for computer whizzes, says Mitch Resnick of MIT Media Lab -- it's for everyone. In a fun, demo-filled talk Resnick outlines the benefits of teaching kids to code, so they can do more than just use new tech toys but also...
TED Talks
TED: A simple new blood test that can catch cancer early | Jimmy Lin
Jimmy Lin is developing technologies to catch cancer months to years before current methods. He shares a breakthrough technique that looks for small signals of cancer's presence via a simple blood test, detecting the recurrence of some...
SciShow
Do I Only Use 10% of My Brain?
SciShow debunks the myth that you only use 10 percent of your brain. So, how much do you really use? And how do we know?
SciShow
Your Brain Once Had a Superpower. Could You Get It Back?
A lot of the adaptability of children's brains diminishes as they age. But researchers are looking for ways they might be able to restore some of that flexibility later in life.
SciShow
Why Does Crying Make You Feel Better?
Have you ever wondered why you feel better after a good, hearty sob? Well, it turns out the reasons are kind of a mystery, and they range from social support to brain temperature.
TED Talks
TED: How the Net aids dictatorships | Evgeny Morozov
TED Fellow and journalist Evgeny Morozov punctures what he calls "iPod liberalism" -- the assumption that tech innovation always promotes freedom, democracy -- with chilling examples of ways the Internet helps oppressive regimes stifle...
TED Talks
Tim Berners-Lee: The year open data went worldwide
At TED2009, Tim Berners-Lee called for "raw data now" -- for governments, scientists and institutions to make their data openly available on the web. At TED University in 2010, he shows a few of the interesting results when the data gets...
SciShow
An Unexpected Tool to Track Ancient Civilizations...Bacteria
Scientists have used a bacteria that commonly infects us to track how ancient humans spread to the Americas from Siberia. And other scientists have discovered a new species of hyrax in the forests of Africa by listening to their barks...
Crash Course
Émile Durkheim on Suicide & Society: Crash Course Sociology
Now that we’ve talked a little bit about how sociology works, it’s time to start exploring some of the ideas of the discipline’s founders. First up: Émile Durkheim. We’ll explain the concept of social facts and how Durkheim framed...
TED Talks
TED: How to stop the metaverse from becoming the internet's bad sequel | Micaela Mantegna
The metaverse is already on fire, and we haven't even built it yet, says TED Fellow and video game lawyer Micaela Mantegna. She lays out why the metaverse is at risk of inheriting some of the internet's worst traits, like unchecked...
SciShow
A Story of Wrong-Way Migration, Caused By Climate Change
Since the 1960s, around 80% of bottom-dwelling species have disappeared from the deep waters of the North Atlantic, potentially all victims of a wrong-way migration phenomenon.
SciShow
This Planet Survived the Death of its Star
When stars die, they tend to take everything around them with them. But new evidence appears to show a planet orbiting a white dwarf, and we’re not sure how it survived! Plus, experiments designed to detect dark matter might be capable...
TED Talks
TED: The sore problem of prosthetic limbs | David Sengeh
What drove David Sengeh to create a more comfortable prosthetic limb? He grew up in Sierra Leone, and too many of the people he loves are missing limbs after the brutal civil war there. When he noticed that people who had prosthetics...
SciShow
What If All Viruses Vanished?
In the past couple years, you may have found yourself wishing that all the viruses in the world just disappear. But be careful what you wish for...
SciShow
Why Billions of Passenger Pigeons Died in Under a Century
How could the most abundant bird in North America go extinct so quickly? Short answer: us.