Crash Course
Intro to Substitution Reactions - Crash Course Organic Chemistry
Substitution reactions can have really powerful effects, both good and bad, in our bodies. You might remember substitution reactions as displacement reactions from general chemistry, but (you guessed it!) in organic chemistry they’re a...
Crash Course
Deviance: Crash Course Sociology
What is social deviance? Who defines what is deviant and how to people come to behave that way? Today we’re going to explore biological and psychological approaches to explaining deviance, including what each perspective can bring to the...
TED Talks
TED: How (and why) Russia hacked the uS election | Laura Galante
Hacking, fake news, information bubbles ... all these and more have become part of the vernacular in recent years. But as cyberspace analyst Laura Galante describes in this alarming talk, the real target of anyone looking to influence...
SciShow
Great Minds: Margaret Hamilton
Margaret Hamilton is a pioneer for women in STEM, and her team's software saved Apollo 11's moon landing!
SciShow
Could Scientists Predict the Next Political Crisis?
Thanks to modern science and technology, we can predict what the weather will be like in 5 days, but it’s still a bit more challenging to predict what will happen to us and our societies.
SciShow
3 Ways You Can Join the Citizen Scientists Fighting COVID-19
If you’re getting restless from social distancing and wishing you could do more to help fight the global pandemic, here are some ways that you can help scientists fight COVID-19—all from the comfort of your home.
MinutePhysics
Simpson's Paradox
This video is about Simpson's paradox, a statistical paradox and ecological fallacy where seemingly contradictory results are implied by a single set of data depending on how it's grouped. The paradox can arise in medical studies,...
Crash Course
The Replication Crisis - Crash Course Statistics
Replication (re-running studies to confirm results) and reproducibility (the ability to repeat an analyses on data) have come under fire over the past few years. The foundation of science itself is built upon statistical analysis and yet...
Crash Course
Training Neural Networks
Today we’re going to talk about how neurons in a neural network learn by getting their math adjusted, called backpropagation, and how we can optimize networks by finding the best combinations of weights to minimize error. Then we’ll send...
SciShow
Is There An fMRI Crisis?
As technology becomes more complex, it's easier for things to go wrong.
TED Talks
TED: A smart bra for better heart health | Alicia Chong Rodriguez
Could an everyday clothing item help protect your health? In this quick talk, TED Fellow Alicia Chong Rodriguez introduces us to a smart bra designed to gather real-time data on biomarkers like heartbeat, breath and temperature. Learn...
Crash Course
Operating Systems: Crash Course Computer Science
So as you may have noticed from last episode, computers keep getting faster and faster, and by the start of the 1950s they had gotten so fast that it often took longer to manually load programs via punch cards than to actually run them!...
TED Talks
Jason Clay: How big brands can help save biodiversity
Convince just 100 key companies to go sustainable, and WWF's Jason Clay says global markets will shift to protect the planet our consumption has already outgrown. Hear how his extraordinary roundtables are getting big brand rivals to...
TED-Ed
TED-Ed: Will future spacecraft fit in our pockets? - Dhonam Pemba
When you picture a rocket, you might imagine a giant ship carrying lots of fuel, people and supplies. But what if the next wave of spacecraft were small enough to fit into our pockets? Dhonam Pemba details the future of microspacecraft,...
TED Talks
TED: The data behind Hollywood's sexism | Stacy Smith
Where are all the women and girls in film? Social scientist Stacy Smith analyzes how the media underrepresents and portrays women -- and the potentially destructive effects those portrayals have on viewers. She shares hard data behind...
SciShow
Citizen Astronomy FTW
This week, some rather confusing news from the Moon, and details about how ordinary folks like you helped classify 2 million celestial objects in just five days!
SciShow
Why Are COVID Fatality Rates Dropping?
Near the end of 2020, we got some puzzling but good news: COVID-19 fatality rates have been dropping. Here are a few factors that might help explain why we’re seeing this trend.
SciShow
Science Superlatives of 2013
Hank counts down some of the science superlatives from 2013: the first, biggest, strongest and longest things that were discovered, built or otherwise described. Find out his year's superlatives. They're the best!
Bozeman Science
Using Game Design to Improve My Classroom
Paul Andersen explains how he is using elements of game design to improve his AP Biology class. The entire class revolves around Moodle. Students complete levels to acquire experience points and move up the leader board
TED Talks
Damon Horowitz: We need a "moral operating system"
Damon Horowitz reviews the enormous new powers that technology gives us: to know more -- and more about each other -- than ever before. Drawing the audience into a philosophical discussion, Horowitz invites us to pay new attention to the...
TED Talks
Sara Seager: The search for planets beyond our solar system
Every star we see in the sky has at least one planet orbiting it, says astronomer Sara Seager. So what do we know about these exoplanets, and how can we find out more? Seager introduces her favorite set of exoplanets and shows new...
TED-Ed
TED-ED: Big Data - Tim Smith
There is a mind-boggling amount of data floating around our society. Physicists at CERN have been pondering how to store and share their ever more massive data for decades - stimulating globalization of the internet along the way, whilst...
TED Talks
TED: How AI can enhance our memory, work and social lives | Tom Gruber
How smart can our machines make us? Tom Gruber, co-creator of Siri, wants to make "humanistic AI" that augments and collaborates with us instead of competing with (or replacing) us. He shares his vision for a future where AI helps us...
SciShow
The Fastest Runaway Star in the Galaxy
Most stars orbit the center of the galaxy. Some stars don't. Learn what scientists think is going on, with Reid Reimers!