TED Talks
TED: A smart loan for people with no credit history (yet) | Shivani Siroya
Trust: How do you earn it? Banks use credit scores to determine if you're trustworthy, but there are about 2.5 billion people around the world who don't have one to begin with -- and who can't get a loan to start a business, buy a home...
TED-Ed
TED-Ed: Networking for the networking averse - Lisa Green Chau
Networking can seem so hard -- but not if you have the right advice. Try taking advantage of weak ties; you never know what friend of a friend of a friend can aid you in your dreams. Lisa Green Chau outlines how being proactive and...
TED Talks
TED: A realistic vision for world peace | Jody Williams
Nobel Peace laureate Jody Williams brings tough love to the dream of world peace, with her razor-sharp take on what "peace" really means, and a set of profound stories that zero in on the creative struggle -- and sacrifice -- of those...
TED Talks
Paul Conneally: How mobile phones power disaster relief
The disastrous earthquake in Haiti taught humanitarian groups an unexpected lesson: the power of mobile devices to coordinate, inform and guide relief efforts. At TEDxRC2, Paul Conneally shows extraordinary examples of social media and...
Crash Course
Global Stratification & Poverty: Crash Course Sociology
This week we’re taking our discussion of stratification global. We’ll look at First and Third World countries and the reasons why these terms are no longer used. We’ll introduce the four types of country categories we now use: high...
TED Talks
Diana Laufenberg: How to learn? From mistakes
Diana Laufenberg shares three surprising things she has learned about teaching -- including a key insight about learning from mistakes.
Crash Course
What is a “Developed” Country? Crash Course Geography
Today we’re going to discuss what it means for a place to be “developed”. Development is often associated with economic success — that is countries with higher standards of living and material wealth like those found in Europe and North...
SciShow
How Health Affects Sperm
Welcome back to SciShow News! Michael Aranda explains how a male's health affects their sperm.
Crash Course
The Great Depression: Crash Course Black American History
During economic crises, marginalized communities are more susceptible to the harms and struggle that come with these downturns. Today we'll talk about the Great Depression, which lasted from 1929 until the US entered World War II. This...
SciShow
The Science of Terrorism
Science can help create understanding where there is none, but is it possible to study and understand terrorists if we're too busy doing everything we can to stop it? Terrorism is notoriously difficult to study because governments...
SciShow
Hacking the Brain: The Future of Prosthetics
We usually think of 'hacking' as a bad thing, but scientists are working on ways to hack the brain that will greatly benefit people with prosthetics, and maybe someday people with paralysis.
3Blue1Brown
Linear combinations, span, and basis vectors | Essence of linear algebra, chapter 2
Some foundational ideas in linear algebra: Span, linear combinations, and linear dependence.
TED Talks
TED: The affordable, 3D-printed bionics of the future | Enzo Romero
Creating functional prosthetics at a fraction of the cost of imported tech, bionic innovator and TED Fellow Enzo Romero shares a groundbreaking model for designing 3D-printed assistive technology sourced from recycled materials -- built...
Bozeman Science
The Vector Properties of Angular Quantities
In this video Paul Andersen explains how a rotating system will have several quantities; including torque, angular velocity, angular acceleration and angular momentum. Each of these quantities have a vector property that can be...
TED-Ed
TED-Ed: Philip A. Chan: How close are we to eradicating HIV?
The world is getting closer to achieving one of the most important public health goals of our time: eradicating HIV. And to do this, we won't even have to cure the disease. We simply have to stop HIV from being transmitted until...
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
TED: A young scientist's quest for clean water | Deepika Kurup
Deepika Kurup has been determined to solve the global water crisis since she was 14 years old, after she saw kids outside her grandparents' house in India drinking water that looked too dirty even to touch. Her research began in her...
SciShow
Is Teletherapy Really Effective?
Remote mental health services have been around for a while, long before the pandemic. So, we've had plenty of time to study how well they work, and there are some encouraging findings.
SciShow
Is Public WiFi Safe
You might want to think twice before signing into that too-good-to-be-true "Free Airport Wi-Fi." It might not be what you think it is.
TED Talks
TED: Africa's path to clean mobility -- driven by motorcycles | Adetayo Bamiduro
A lack of infrastructure in parts of Africa has made unregulated, gas-powered motorcycle taxis widespread -- a system that gets people where they need to be, but heavily pollutes the air and excludes drivers from the formal economy. TED...
TED Talks
The new American Dream | Courtney Martin
For the first time in history, the majority of American parents don't think their kids will be better off than they were. This shouldn't be a cause for alarm, says journalist Courtney Martin. Rather, it's an opportunity to define a new...
3Blue1Brown
Euler's Formula and Graph Duality
A very clever proof of Euler's characteristic formula using spanning trees.
Crash Course
Data Structures: Crash Course Computer Science
Today we’re going to talk about on how we organize the data we use on our devices. You might remember last episode we walked through some sorting algorithms, but skipped over how the information actually got there in the first place! And...
SciShow
These 100-Million-Year-Old Microbes Are Still Alive!
Researchers have found ancient communities of microbes that have been buried deep, for a hundred million years! This discovery might be the oldest living thing on Earth, and could even expand the search for life on other planets.