SciShow
Shrimp Treadmills and 5 Other Odd Research Projects
Science isn't always a straightforward process. Here are 6 seemingly odd but absolutely creative ways researchers have approached their subjects.
3Blue1Brown
How pi was almost 6.283185
Happy pi day! Did you know that in some of his notes, Euler used the symbol pi to represent 6.28..., before the more familiar 3.14... took off as a standard?
TED Talks
TED: Art that lets you talk back to NSA spies | Mathias Jud
In 2013, the world learned that the NSA and its uK equivalent, GCHQ, routinely spied on the German government. Amid the outrage, artists Mathias Jud and Christoph Wachter thought: Well, if they're listening ... let's talk to them. With...
TED Talks
Sophie Scott: Why we laugh
Did you know that you're 30 times more likely to laugh if you're with somebody else than if you're alone? Cognitive neuroscientist Sophie Scott shares this and other surprising facts about laughter in this fast-paced, action-packed and,...
TED Talks
Del Harvey: Protecting Twitter users (sometimes from themselves)
Del Harvey heads up Twitter’s Trust and Safety Team, and she thinks all day about how to prevent worst-case scenarios -- abuse, trolling, stalking -- while giving voice to people around the globe. With deadpan humor, she offers a window...
TED Talks
Renny Gleeson: Our antisocial phone tricks
In this funny (and actually poignant) 3-minute talk, social strategist Renny Gleeson breaks down our always-on social world -- where the experience we're having right now is less interesting than what we'll tweet about it later.
TED Talks
Omar Ahmad: Political change with pen and paper
Want your local politician to pay attention to an issue you care about? Send a monthly handwritten letter, says former mayor Omar Ahmad -- it's more effective than email, phone, or even writing a check. He shares four steps to writing a...
Crash Course
Remembering and Forgetting - Crash Course Psychology
In this REALLY IMPORTANT EPISODE of Crash Course Psychology, Hank talks about how we remember and forget things, why our memories are fallible, and the dangers that can pose. -- Table of Contents How Memories are Stored 01:12:05...
SciShow
The 19th Century Science That's Fighting Climate Change Today
The HMS Challenger embarked in the 1870s to survey the world’s oceans. The data the expedition collected is still being used over 100 years later to inform what we know about climate change.
TED Talks
Alwar Balasubramaniam: Art of substance and absence
Alwar Balasubramaniam's sculpture plays with time, shape, shadow, perspective: four tricky sensations that can reveal -- or conceal -- what's really out there. At TEDIndia, the artist shows slides of his extraordinary installations.
TED Talks
TED: How great leaders take on uncertainty | Anjali Sud and Stephanie Mehta
In a constantly changing world, it's impossible for leaders to provide employees with the assurance they want, says Vimeo CEO Anjali Sud. Her solution: lead with humanity and flexibility. In conversation with veteran journalist Stephanie...
TED Talks
Sabine Doebel: How your brain's executive function works -- and how to improve it
You use your brain's executive function every day -- it's how you do things like pay attention, plan ahead and control impulses. Can you improve it to change for the better? With highlights from her research on child development,...
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...
TED Talks
TED: 5 ethical principles for digitizing humanitarian aid | Aarathi Krishnan
Over the last decade, humanitarian organizations have digitized many of their systems, from registering refugees with biometric IDs to transporting cargo via drones. This has helped deliver aid around the world, but it's also brought new...
Crash Course
Evaluating Photos & Videos: Crash Course Navigating Digital Information #7
With the amount of fake and doctored photos and videos out there, how can we know what to trust? Most of us are used to thinking that "seeing is believing" but as technology makes it easier and easier to spread unreliable content online...
TED-Ed
TED-Ed: Are all of your memories real? | Daniel L. Schacter
In a 1990's study, participants recalled getting lost in a shopping mall as children. Some shared these memories in vivid detail, but there was one problem: none of these people had actually gotten lost in a mall. They produced these...
3Blue1Brown
How secure is 256 bit security? Cryptocurrency - Part 2 of 2
When a piece of cryptography is described as having "256-bit security", what exactly does that mean? Just how big is the number 2^256?
TED-Ed
Why do we, like, hesitate when we, um, speak? | Lorenzo García-Amaya
For as long as we've had language, some people have tried to control it. And some of the most frequent targets of this communication regulation are the ums, ers, and likes that pepper our conversations. These linguistic fillers occur...
TED Talks
TED: How museums help communities heal | Honor Harger
While on lockdown, the galleries of Singapore's iconic ArtScience Museum were empty -- but online, the museum was abuzz. Honor Harger shares how they're engaging deeply with its visitors through streamed talks, performances and workshops...
SciShow
How Auditory Illusions Trick Your Brain into Hearing Things
Your brain relies a lot on context to tell you what sounds are bouncing around in your ears, and without enough of that context it can get a little confused.
3Blue1Brown
Bayes theorem
A visual way to think about Bayes' theorem, together with discussion on what makes the laws of probability more intuitive.
TED-Ed
TED-Ed: How do our brains process speech? | Gareth Gaskell
The average 20-year-old knows between 27,000 and 52,000 different words. Spoken out loud, most of these words last less than a second. With every word, the brain has a quick decision to make: which of those thousands of options matches...
TED Talks
Fang Ruan: Management lessons from Chinese business and philosophy
Business management in China is changing, says consultant Fang Ruan. Learn how Chinese entrepreneurs -- long guided by Confucianism's emphasis on authority and regulation -- are now looking to Taoist philosophy for a new, dynamic...
TED Talks
TED: An interview with the founders of Black Lives Matter | Alicia Garza, Patrisse Cullors and Opal Tometi
Born out of a social media post, the Black Lives Matter movement has sparked discussion about race and inequality across the world. In this spirited conversation with Mia Birdsong, the movement's three founders share what they've learned...