Crash Course
Stages of Family Life: Crash Course Sociology
One way of thinking about family life says that there are stages that families move through: courtship, marriage, child-rearing, and family life in your later years. We’ll also discuss changing patterns of marriage and childbearing in...
TED-Ed
TED-Ed: A curable condition that causes blindness - Andrew Bastawrous
An estimated 20 million cases of blindness worldwide are caused by cataracts, a curable condition affecting the lens that focuses images onto the eye's retina. But how are cataracts formed, and how can we prevent them? Andrew Bastawrous...
Curated Video
%$?# Allergies!
Springtime means the arrival of green grass, bright flowers, and buzzing bees. But for many of us, it's also about sneezing, watery red eyes, and a runny nose, thanks to allergies. In this week's video, you'll learn why we get allergies,...
Crash Course
Carboxylic Acids: Crash Course Organic Chemistry
What do the smells of feet, armpits, vomit, and goats all have in common? (Besides being super gross…) Carboxylic acids! Despite being responsible for some of our least favorite odors, carboxylic acids are also super useful in organic...
PBS
How Sex Became A Thing
We don't know which living thing was the very first to arrive at the totally revolutionary process that is sexual reproduction but we can follow the history of how (and why) sex became a thing.
Crash Course
How Do We Produce Food? Crash Course Geography
Over the millennia, every region on Earth has developed its own successful agricultural ecosystem from flat fields of grain and mountainside rice terraces to coastal fish farms and goat herding. Today, we’re going to break down...
TED Talks
TED: Give yourself permission to be creative | Ethan Hawke
Reflecting on moments that shaped his life, actor Ethan Hawke examines how courageous expression promotes healing and connection with one another -- and invites you to discover your own unabashed creativity. "There is no path till you...
SciShow
The Untold Story of the First Vaccine
Vaccines save millions of lives each year, so we owe a lot to the people that pioneered that medical breakthrough. But the concept of a vaccine had already existed for a long time before it was “discovered,” and the real story is way...
TED-Ed
TED-Ed: How can we solve the antibiotic resistance crisis?
Antibiotics: behind the scenes, they enable much of modern medicine. We use them to cure infectious diseases, and to safely facilitate everything from surgery to chemotherapy to organ transplants. But we’ve stopped discovering new ones...
Crash Course Kids
Organizing Properties
Have you ever thought about all the different kinds of groups you’re a part of? Like, there’s the friends you hang out with and your family, your hockey team, your Crash Course fan club, and that’s just for starters! And even though...
TED Talks
Steven Petrow: 3 ways to practice civility
What does it mean to be civil? Journalist Steven Petrow looks for answers in the original meaning of the word, showing why civility shouldn't be dismissed as conversation-stifling political correctness or censorship. Learn three ways we...
Crash Course
The Basics of Organic Nomenclature - Crash Course Organic Chemistry
Language is complicated, especially in organic chemistry. This episode of Crash Course Organic Chemistry is all about nomenclature. We'll dive into IUPAC systematic naming of organic molecules, and get to practice with the help of three...
TED-Ed
TED-ED: What happens during a stroke? - Vaibhav Goswami
Every two seconds, someone in the world has a stroke. One out of every six people will have a stroke at some point in their lives. Strokes deprive brain cells of oxygen and are one of the most common causes of death, and a leading cause...
Crash Course
Metals & Ceramics: Crash Course Engineering #19
Today we’ll explore more about two of the three main types of materials that we use as engineers: metals and ceramics. We’ll discuss properties of metals, alloys, ceramics, clay, cement, and glass-ceramic materials. We’ll also look at...
SciShow
Humanity’s Deepest, Darkest Fear
Most of us experience specific fears at one point or another, like of death or the future, but psychologists believe there might be one underlying fear from which all others originate.
SciShow
The Fog That Killed 12,000 People
How can smog affect the life expectancy of people? Scientists have investigated the causes and repercussions of The Great Smog of London in 1952, and continue to study the effects of air pollution around the world today.
Crash Course
Theories About Family & Marriage: Crash Course Sociology
Today we’ll explore how sociology defines family and the different terms used to describe specific types of family. We’ll look at marriage in different societies, as well as marital residential patterns and patterns of descent. And, of...
Crash Course
Aromatics and Cyclic Compounds - Crash Course Chemistry
What's that smell? Smell's like Organic Chemistry! This week Hank talks about Aromatics and Cyclic Compounds and naming their substituents, resonance as well as common reactions & uses.
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Table of Contents
Cyclic Organic Compounds &...
Crash Course
Politics: Crash Course Sociology
While politics is generally seen as the domain of a civics class (and Craig did a great job of teaching US Government & Politics elsewhere on this channel!) it’s something that sociology is interested in too. Today we’re looking at the...
Curated Video
Compare Lengths of Objects by Drawing Pictures
In this video lesson, we present various examples, such as measuring train lengths and finding missing tiles, to help us compare lengths of objects by drawing pictures. The lesson emphasizes the importance of subtraction and highlights...
SciShow
The Strongest Bases in the World
Acids are widely considered to be the scariest chemical compounds of all, but bases can be just as powerful. Most powerful of all are a special class of pH scale-defying bases called superbases!
SciShow Kids
Let's Explore Space!
It's a big day for Jessi and Squeaks because they've finally finished their brand new observatory! Join them as they try out their new telescope and take a look back at a compilation of everything we've learned about space so far!
Crash Course
Doing Solids: Crash Course Chemistry
In which Hank blows our minds with the different kinds of Solids out there and talks about why they're all different and have different properties. Today, you'll learn about amorphous and crystalline solids, types of crystalline solids,...
MinuteEarth
What Makes A Dinosaur?
Due to a revolution in our understanding of the tree of life, birds are dinosaurs, while dimetrodons are not. ___________________________________________ FYI: We try to leave jargon out of our videos, but if you want to learn more about...