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TED Talks
TED: A 3-part plan to take on extreme heat waves | Eleni Myrivili
The deadliest severe weather phenomenon is something you might not realize: extreme heat. Eleni Myrivili, chief heat officer of the city of Athens, Greece, explains that extreme heat and heat waves are often overlooked because they're...
SciShow
Why Don't We Have Cancer-Sniffing Dogs?
There are a lot of stories out there about dogs who seemed to smell lung cancer on their owner’s breath, and a recent study found that some dogs can detect lung cancer in blood samples with astonishing accuracy. So why aren’t there...
3Blue1Brown
Nonsquare matrices as transformations between dimensions | Essence of linear algebra, chapter 8
How do you think about a non-square matrix as a transformation?
TED Talks
TED: Is the pandemic actually over? It's complicated | Anthony Fauci
Be spreaders of facts and truths, says scientist and immunologist Dr. Anthony Fauci. Having advised seven US presidents on various disease outbreaks including COVID-19, he shares insights on the present and future of pandemics, backed up...
TED Talks
Markus Mutz: How supply chain transparency can help the planet
Given the option, few would choose to buy products that harm the earth -- yet it's nearly impossible to know how most consumer goods are made or where they're sourced from. That's about to change, says supply chain innovator Markus Mutz....
3Blue1Brown
Eigenvectors and eigenvalues | Essence of linear algebra, chapter 10
Eigenvalues and eigenvectors are one of the most important ideas in linear algebra, but what on earth are they?
SciShow
Using Devil's Milk to Kill Superbugs
Scientists are turning to unusual places to find new compounds to fight off drug-resistant “superbugs.” The discovery came from milking ferocious mammals!
SciShow
Tapputi-Belatekallim: The First Chemical Engineer | Great Minds
A perfumer from Ancient Babylon named Tapputi-Belatekallim is possibly history's first recorded chemist, and some of the techniques she used are still in practice today.
SciShow
What Does Polar Bear Milk Taste Like?
It's a question that entails some risks: What does polar bear milk taste like, and why does it taste that way?
Crash Course
Theory & Deviance: Crash Course Sociology
Last week we introduced deviance as a concept, but today we’re going return to our major paradigms in sociology and how each approaches deviance. We’ll explore how structural functionalism sees deviance fulfilling a function in society;...
SciShow
Is Urine Really Sterile?
Despite what you might've seen on some wilderness-survival show, there's increasing evidence that your pee isn't sterile. So don't do anything crazy with it. Sci Show explains!
Crash Course
Fate, Family, and Oedipus Rex: Crash Course Literature 202
In which John Green teaches you about one of the least family-friendly family dramas in the history of family dramas, Oedipus Rex. Sophocles' most famous play sees it's main character, who seems like he's got it all together, find out...
TED Talks
TED: Why play is essential for business | Martin Reeves
To thrive in today's competitive economy, you need to constantly reimagine your business. So what's the secret to sustained success? Strategist Martin Reeves makes a pitch for embracing play to spark innovative business ideas -- and...
SciShow Kids
Make Your Own Secret Ink!
Jessi has a secret message she wants to share with Squeaks, but first they'll need to use some special ingredients to reveal it.
SciShow Kids
Fireflies: Nature’s Baffling Blinkers Animal | Science for Kids
Have you ever wondered how fireflies twinkle and blink on lovely summer nights? Join Jessi and Squeaks at the fort to learn their secret!
Crash Course
Let's Make an AI that Destroys Video Games
Today we create a game and then build an AI to destroy it. Our game is called TrashBlaster, and it’s like Asteroids but with trash in the ocean, and instead of a spaceship John Green Bot is wielding a laser. We'll use machine learning...
TED Talks
Clay Shirky: How social media can make history
While news from Iran streams to the world, Clay Shirky shows how Facebook, Twitter and TXTs help citizens in repressive regimes to report on real news, bypassing censors (however briefly). The end of top-down control of news is changing...
Crash Course
Natural Language Processing
So far in this series, we've mostly focused on how AI can interpret images, but one of the most common ways we interact with computers is through language - we type questions into search engines, use our smart assistants like Siri and...
TED Talks
TED: Where on Earth will people live in the future? | Parag Khanna
From the return of nomadic living to a climate-disrupted world, author and global strategist Parag Khanna has some predictions for humanity. Get a fascinating glimpse at the future as he tackles an urgent question: Where on Earth will...
SciShow
The Unbelievably Tough Animals of Lake Natron
With its caustic red waters, Lake Natron doesn’t seem like the ideal place to call home. But some creatures have evolved amazing adaptations that help them survive and thrive in this alkaline lake.
SciShow
Cheap, Fast, Easy, AND Accurate? New COVID Test Might Do it All | SciShow News
Traditional COVID tests take time and specialized personnel, but a new kind of test that uses nanotechnology could expedite the process.
3Blue1Brown
Inverse matrices, column space and null space: Essence of Linear Algebra - Part 7 of 15
How do you think about the column space and null space of a matrix visually? How do you think about the inverse of a matrix?