TED Talks
TED: Your invitation to help build a sustainable future | Jim Snabe
If we want to avoid a climate disaster, we need much more radical leadership, says Jim Snabe, who knows a thing or two about leadership as chairman of the world's largest maritime shipping company. In a stirring talk, he encourages...
TED Talks
Alice Dreger: Is anatomy destiny?
Alice Dreger works with people at the edge of anatomy, such as conjoined twins and intersexed people. In her observation, it's often a fuzzy line between male and female, among other anatomical distinctions. Which brings up a huge...
SciShow
Brinicles: Icicles o' Death
What's salty and cold and cool as heck? Brinicles, a rarely seen undersea phenomenon the combines ice and saltwater to become every sea star's worst nightmare! Actually, they're not that scary, just awesome. Hank explains within.
Curated Video
Liberals, Conservatives, and Pride and Prejudice Part 2: Crash Course Literature 412
This is it! The final episode of CC Literature season 4 is a deeper look at Jane Austen's Pride and Prejudice. Today we'll explore the novel's take on materialism, and we'll talk about whether the novel has a liberal or conservative...
Crash Course
Reconstruction and 1876 Crash Course US History
In which John Green teaches you about Reconstruction. After the divisive, destructive Civil War, Abraham Lincoln had a plan to reconcile the country and make it whole again. Then he got shot, Andrew Johnson took over, and the...
Crash Course
Liberals, Conservatives, and Pride and Prejudice, Part 2: Crash Course Literature 412
This is it! The final episode of CC Literature season 4 is a deeper look at Jane Austen's Pride and Prejudice. Today we'll explore the novel's take on materialism, and we'll talk about whether the novel has a liberal or conservative...
SciShow
How to Save Earth From...Us
Temperatures are rising, and greenhouse gases are being emitted faster than ever. What's a planet to do? Hank explains the recommendations of some of the world's top scientists to stem global warming.
TED Talks
Daniel Libeskind: 17 words of architectural inspiration
Daniel Libeskind builds on very big ideas. Here, he shares 17 words that underlie his vision for architecture -- raw, risky, emotional, radical -- and that offer inspiration for any bold creative pursuit.
SciShow
How Our Brains Learn Consciousness
Neuroscience is abound with debates over the nature of consciousness. Which makes sense, because it’s a very abstract idea. We know we are conscious, but theories of why, how and what brain activity causes it are still simply that:...
Crash Course
19th Century Reforms Crash Course US History
In which John Green teaches you about various reform movements in the 19th century United States. From Utopian societies to the Second Great Awakening to the Abolition movement, American society was undergoing great changes in the first...
Crash Course
Radical Reactions Hammonds Postulate - Crash Course Organic Chemistry
Throughout this series we’ve mostly talked about pairs of electrons, but electrons don’t always have a buddy. An atom or group of atoms with a single unpaired electron is called a radical. In this episode of Crash Course Organic...
TED Talks
Jimmy Wales: The birth of Wikipedia
Jimmy Wales recalls how he assembled "a ragtag band of volunteers," gave them tools for collaborating and created Wikipedia, the self-organizing, self-correcting, never-finished online encyclopedia.
Crash Course
More EAS & Benzylic Reactions: Crash Course Organic Chemistry
We’ve already learned a lot about electrophilic aromatic substitution (EAS) and benzene, but guess what? There’s even more to learn! In this episode of Crash Course Organic Chemistry we’ll revisit our old friends the Friedel-Crafts...
Crash Course
Polymer Chemistry: Crash Course Organic Chemistry
So far in this series we’ve focused on molecules with tens of atoms in them, but in organic chemistry molecules can get way bigger! Polymers are molecules that contain hundreds, thousands, or even millions of identical subunits. In this...
TED Talks
Douglas Thomas: How a typeface helped launch Apollo
When humanity first landed on the moon in 1969, the typeface Futura was right there with them. In this fascinating history of typography, designer Douglas Thomas shares Futura's role in launching the Apollo 11 spacecraft -- and how it...
Curated Video
Nanotechnology: What is It?
Still in its early stages, nanotechnology has the potential to change our world. What is it and how could it be used in the future? Chemistry - Atoms And Bonding - Learning Points. Nanotechnology is engineering on the smallest scale....
Curated Video
Mastering Reagents: Electrophiles, Nucleophiles and Free Radicals
In organic chemistry, electrophiles, nucleophiles, and free radicals are the three key types of reactive intermediates. Electrophiles are electron-deficient species that seek out electrons, making them attracted to regions of high...
Curated Video
Solving an Equation of Second Degree in One Unknown Graphically and Algebraically: Example on the Quadratic Formula
By the end of this learning object, the student will be able to: Use the quadratic formula to solve quadratic equation.
Curated Video
Joseph Smith: American Prophet
Inspired by the religious fervor of the Second Great Awakening, Joseph Smith founded the most widely-practiced religion founded in the United States, the Mormon faith.
Brainwaves Video Anthology
Larry Sabato - Politics is a Good Thing
Larry Sabato, the director of the University of Virginia Center for Politics and a university professor, discusses his life-long dedication to politics and civic engagement. Having been politically active since he was a seven-year-old...
Brian McLogan
The most important thing you need to know to solve radical equations
The most important step to solving radical equations is to isolate the radical. In this video I will show and explain how we will do that.
The Guardian
Advocating for Social Justice and Navigating Adversity
The Radical Monarchs is a group of elementary school girls focusing on social justice issues impacting young women of color. This video describes the formation of the group and explores criticism they have faced for discussing...
The Guardian
Empowering and Educating Young Women of Color
Meet The Radical Monarchs, a group of elementary school girls focusing on social justice issues impacting young women of color. They emphasize building connections and understanding their roots through units centered on social justice...
Brian McLogan
Best Simplifying Square Root of Variable Expressions
In this video we are going to explore how to simplify the square root of a variable expression by applying the rules of exponents and radicals. ⭐️ Simplify 4th, 5th and 6th Root of an Expression - • Simplify 4th, 5th and 6th Root of an...