Amoeba Sisters
Muscle Tissues and Sliding Filament Model
Join the Amoeba Sisters a they explore different muscle tissues and then focus on the sliding filament theory in skeletal muscle! This video also briefly talks about muscle naming, some vocabulary (such as agonists and antagonists)...
TED-Ed
Who were Las Mariposas, and why were they murdered? | Lisa Krause
For over 30 years, thousands of people were imprisoned, tortured, and murdered under Rafael Trujillo's dictatorship in the Dominican Republic. Three sisters would go on to lead an underground revolution. But while their courage inspired...
TED-Ed
TED-Ed: How one journalist risked her life to hold murderers accountable - Christina Greer
Ida B. Wells was an investigative journalist, civil rights leader, and anti-lynching advocate who fought for equality and justice. -- In the late 1800’s, lynchings were happening all over the American South, often without any...
TED-Ed
TED-Ed: Jabberwocky: One of literature's best bits of nonsense | Lewis Carroll
As Alice wanders through the dreamscape of Looking-Glass Land in Lewis Carroll's "Through the Looking-Glass, and What Alice Found There," she happens across a book written in an unintelligible language. Inside, she discovers an epic poem...
TED-Ed
A brief history of divorce | Rod Phillips
Formally or informally, human societies across place and time have made rules to bind and dissolve couples. The stakes of who can obtain a divorce, and why, have always been high. Divorce is a battlefield for some of society's most...
TED-Ed
TED-Ed: What do all languages have in common? | Cameron Morin
Language is endlessly variable. Each of us can come up with an infinite number of sentences in our native language, and we're able to do so from an early age— almost as soon as we start to communicate in sentences. How is this possible?...
TED-Ed
TED-Ed: The method that can "prove" almost anything | James A. Smith
In 2011, a group of researchers conducted a study designed to find an impossible result. Their study involved real people, truthfully reported data, and commonplace statistical analyses. So how did they do it? The answer lies in a...
TED-Ed
TED-Ed: Can we create the "perfect" farm? | Brent Loken
About 10,000 years ago, humans began to farm. This agricultural revolution was a turning point in our history and enabled the existence of civilization. Today, nearly 40 percent of our planet is farmland. Spread all over the world, these...
Crash Course
Where US Politics Came From Crash Course US History
In which John Green teaches you where American politicians come from. In the beginning, soon after the US constitution was adopted, politics were pretty non-existent. George Washington was elected president with no opposition, everything...
TED-Ed
TED-Ed: How high altitude affects your body | Andrew Lovering
If you teleported from sea level to the top of Mount Everest, things would go bad fast. At an altitude of 8,848 meters, you would likely suffocate in minutes. However, for people that make this journey over the course of a month, it's...
TED-Ed
TED-Ed: The first and last king of Haiti | Marlene Daut
The royal couple of Haiti rode into their coronation to thunderous applause. After receiving his ornate crown, Henry Christophe ascended his throne, towering 20 meters in the air. But little did the cheering onlookers know that the first...
TED-Ed
The world's most painful insect sting | Justin Schmidt
One of these three creatures is thought to possess the world's most painful insect sting: there's an ant that forages in rainforest canopies, a bee that protects a hive of delectable honey, and a wasp that paralyzes tarantulas. So which...
SciShow Kids
Taking Pictures With the Sun!
Did you know there's a way to make art using the light from the sun? It's called a cyanotype, and Mister Brown is going to tell you all about how they work, and how to make your own!
Amoeba Sisters
DNA, Chromosomes, Genes, and Traits: An Intro to Heredity
Explore DNA structure/function, chromosomes, genes, and traits and how this relates to heredity! Video can replace old DNA structure & function video and in addition covers foundational concepts of heredity. Table of Contents: Video...
Crash Course
The Rise of Conservatism Crash Course US History
In which John Green teaches you about the rise of the conservative movement in United States politics. So, the sixties are often remembered for the liberal changes that the decade brought to America, but lest you forget, Richard Nixon...
TED-Ed
The sharks that hunt in forests | Luka Seamus Wright
Forests don't usually come to mind as a habitat for sharks. But marine forests provide a home for 35% of the world's sharks. Mangrove forests in particular function as an essential bridge between land and sea and have evolved various...
Crash Course
The Constitution, the Articles, and Federalism Crash Course US History
In which John Green teaches you about the United States Constitution. During and after the American Revolutionary War, the government of the new country operated under the Articles of Confederation. While these Articles got the young...
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...
Amoeba Sisters
Autotrophs and Heterotrophs
Curious about modes of nutrition? Join the Amoeba Sisters in learning about autotrophs and heterotrophs. Video explains these terms as well as how their carbon source differs. Photoautotrophs, photoheterotrophs, chemoautotrophs, and...
Amoeba Sisters
Photosynthesis: The Amazing Process of Plant Food Production
Explore one of the most fascinating processes plants can do: photosynthesis! In this Amoeba Sisters updated photosynthesis video, you will find a general overview of the light dependent and light independent reactions (Calvin Cycle) and...
TED-Ed
TED-Ed: Why is it so hard to escape poverty? | Ann-Helén Bay
Imagine that you've been unemployed for months. Government benefit programs have helped you cover your expenses, but you're barely getting by. Finally, you receive a paycheck— but there's a catch. Your new job pays enough to disqualify...
TED-Ed
TED-Ed: Who was the world's first author? - Soraya Field Fiorio
4,300 years ago in ancient Sumer, the most powerful person in the city of Ur was banished to wander the vast desert. Her name was Enheduanna, and by the time of her exile, she had written forty-two hymns and three epic poems— and Sumer...
TED-Ed
TED-Ed: Which bag should you use? | Luka Seamus Wright and Imogen Ellen Napper
You've filled up your cart and made it to the front of the grocery line when you're confronted with yet another choice: what kind of bag should you use? It might seem obvious that plastic is bad for the environment, and that a paper bag...
Crash Course
The Reagan Revolution Crash Course US History
In which John Green teaches you about what is often called the Reagan Era. Mainly, it covers the eight years during which a former actor who had also been governor of the state of California was president of the United States. John will...