SciShow
Will You be Iron Man?
We have the technology! We can rebuild...ourselves! Human interface technologies like Google Glass, robotic prosthetics, and bionic eyes have the potential to help people recover lost abilities, but also to grant us new abilities. Will...
3Blue1Brown
Backpropagation calculus | Deep learning, chapter 4
The math of backpropagation, the algorithm by which neural networks learn.
3Blue1Brown
Essence of linear algebra preview
The introduction to a series on visualizing core ideas of linear algebra.
3Blue1Brown
Essence of Linear Algebra: Preview
The introduction to a series on visualizing core ideas of linear algebra.
SciShow
How to Stick to Your Resolutions This Year
Failed at keeping your resolutions in the past? Psychologists have some insights and advice for you to stick to them this year.
TED Talks
Dan Dennett: Let's teach religion -- all religion -- in schools
Philosopher Dan Dennett calls for religion -- all religion -- to be taught in schools, so we can understand its nature as a natural phenomenon. Then he takes on The Purpose-Driven Life, disputing its claim that, to be moral, one must...
TED-Ed
TED-Ed: Football physics: The "impossible" free kick - Erez Garty
In 1997, Brazilian football player Roberto Carlos set up for a 35 meter free kick with no direct line to the goal. Carlos's shot sent the ball flying wide of the players, but just before going out of bounds it hooked to the left and...
SciShow
What We Get Wrong About “Alcoholism”
There are a lot of stereotypes and stigma surrounding alcohol that prevent both understanding and adequate care, and the spectrum of symptoms that alcohol use disorder can include is a lot more complicated than you might think.
3Blue1Brown
Backpropagation calculus | Appendix to deep learning chapter 3
The math of backpropagation, the algorithm by which neural networks learn.
TED Talks
Emily Balcetis: Why some people find exercise harder than others
Why do some people struggle more than others to keep off the pounds? Social psychologist Emily Balcetis shows research that addresses one of the many factors: our vision. In an informative talk, she shows how when it comes to fitness,...
Bozeman Science
AP Biology Test: A User Guide
Mr. Andersen describes the two portions of the AP Biology Test. Tips for answering multiple choice and free response questions are included. Sample questions from old AP tests are also included.
SciShow
The Dark Side of Needing Closure
Seeking closure is normally a good thing, but it also has a dark side. And if you’re not careful, chasing after it could set you up for some pretty bad decisions.
SciShow
3 Times We Intentionally Crashed into Other Worlds
Most of the time, it’s not great when an expensive spacecraft slams into an extraterrestrial body. But now and then mission control intentionally crashes a spacecraft for science!
TED Talks
Andy Yen: Think your email's private? Think again
Sending an email message is like sending a postcard, says scientist Andy Yen in this thought-provoking talk: Anyone can read it. Yet encryption, the technology that protects the privacy of email communication, does exist. It's just that...
SciShow
3 Unique Rovers for Extreme Worlds
Specialized rovers provide all kinds of creative solutions to the problem of navigating new terrain, and future missions might just carry some weird bots like these.
TED Talks
Paul Romer: The world's first charter city?
Back in 2009, Paul Romer unveiled the idea for a "charter city" -- a new kind of city with rules that favor democracy and trade. This year, at TED2011, he tells the story of how such a city might just happen in Honduras ... with a little...
TED Talks
TED: How AI is making it easier to diagnose disease | Pratik Shah
Today's AI algorithms require tens of thousands of expensive medical images to detect a patient's disease. What if we could drastically reduce the amount of data needed to train an AI, making diagnoses low-cost and more effective? TED...
TED Talks
Miguel Nicolelis: Brain-to-brain communication has arrived. How we did it
You may remember neuroscientist Miguel Nicolelis — he built the brain-controlled exoskeleton that allowed a paralyzed man to kick the first ball of the 2014 World Cup. What’s he working on now? Building ways for two minds (rats and...
3Blue1Brown
Backpropagation calculus: Deep learning - Part 4 of 4
The math of backpropagation, the algorithm by which neural networks learn.
TED Talks
TED: A Republican mayor's plan to replace partisanship with policy | G.T. Bynum
Conventional wisdom says that to win an election, you need to play to your constituencies' basest, most divisive instincts. But as a candidate for mayor of Tulsa, Oklahoma, G.T. Bynum decided to skip the smear campaigns, tell voters what...
TED Talks
Eric Whitacre: A virtual choir 2,000 voices strong
In a moving and madly viral video last year, composer Eric Whitacre led a virtual choir of singers from around the world. He talks through the creative challenges of making music powered by YouTube, and unveils the first 2 minutes of his...
SciShow
High-Tech Masks: The Future of Face Coverings
Masks do wonders to stop the spread of infection and inhalation of harmful particles, and some new technology can make them both more effective and easier to clean.
SciShow
World's Most Asked Questions What is the Meaning of Life
People ask Google everything under the sun. One of the most commonly searched questions in the world is “What Is the Meaning of Life?” Let SciShow explain.
TED Talks
Phil Plait: The secret to scientific discoveries? Making mistakes
Phil Plait was on a Hubble Space Telescope team of astronomers who thought they may have captured the first direct photo of an exoplanet ever taken. But did the evidence actually support that? Follow along as Plait shows how science...