In which Jacob Clifford and Adriene Hill launch a brand new Crash Course on Economics! So, what is economics? Good question. It's not necessarily about money, or stock markets, or trade. It's about people and choices. What, you may ask,...

In this passionate call to action, 16-year-old climate activist Greta Thunberg explains why, in August 2018, she walked out of school and organized a strike to raise awareness of global warming, protesting outside the Swedish parliament...

Illness is universal -- but access to care is not. Physician Raj Panjabi has a bold vision to bring health care to everyone, everywhere. With the 2017 TED Prize, Panjabi is building the Community Health Academy, a global platform that...

Squeaks and Mister Brown do some experiments with soil, and learn all about why different soils feel different!



Disciplinary C

ore Ideas:

PS1.A: Structure and Properties of Matter - Matter can be described...

Hank gives us a tour of the most important table ever, including the life story of the obsessive man who championed it, Dmitri Mendeleev. The periodic table of elements is a concise, information-dense catalog of all of the...

At the age of 21, Simone de Beauvoir became the youngest person to take the philosophy exams at France’s most esteemed university. But as soon as she mastered the rules of philosophy, she wanted to break them. Her desire to explore the...

What happens when a dream you've held since childhood ... doesn't come true? As Lisa Bu adjusted to a new life in the United States, she turned to books to expand her mind and create a new path for herself. She shares her unique approach...

Maybe you've seen a shooting star, a bright streak of light that zips across the sky! But did you know that those shooting stars are actually rocks falling from space? And sometimes you can find them on the ground! Find out how...

Jessi and Squeaks are working on an experiment: Making an ordinary magnet float in the air!



Next Generation Science
Standards:
NGSS Performanc
e Expectations:
3-PS2-3: Ask questions to determine cause and effect...

When people travel a long distance, they'll usually use a map. But there are lots of animals that travel really long distances, too, and they can't use maps... so how do they not get lost? Our friend Dr. Turtleman...

Trees come from seeds, and birds come from eggs, but where does all the soil and dirt come from?



Second Grade Next Generation Science

Standards

Disc

iplinary Core Ideas:

ESS1.C: The History of...

Jessi and Squeaks make a new friend named Grady, and he teaches them about all the living things you can find in soil!



Disciplinary
Core Idea:
LS4.D: Biodiversity and Humans - There are many different kinds of living...

The sun is out and Jessi and Squeaks are ready to perform all kinds of fun outdoor science experiments! Let's take a look at some of the fun activities they've done before, like making a kite, building a solar tower, blowing bubbles, and...

Join Jessi and Squeaks as they prepare a special meal for friends. You’ll learn some fun food science facts, like the difference between fruits and veggies and how your tongue works so you can taste food!

John Maeda, former President of the Rhode Island School of Design, delivers a funny and charming talk that spans a lifetime of work in art, design and technology, concluding with a picture of creative leadership in the future. Watch for...

In which John Green teaches you about the early days of the Civil Rights movement. By way of providing context for this, John also talks a bit about wider America in the 1950s. The 1950s are a deeply nostalgic period for many Americans,...

No one thinks twice about a woman wearing blue jeans in New York City -- but when Nobel laureate Malala wears them, it's a political act. Around the globe, individuality can be a crime, and clothing can be a form of protest. In a talk...

Should you go to film school? Great question? But there aren't necessarily a lot of direct answers. Do you want to go to Hollywood? Do you want to make movies in your spare time? Do you want to learn about world cinema? Do you want to be...

Jay Walker explains why two billion people around the world are trying to learn English. He shares photos and spine-tingling audio of Chinese students rehearsing English -- "the world's second language" -- by the thousands.

In which John Green teaches you about Charlotte Bronte's classic coming of age novel, Jane Eyre. Look, we don't like to make judgement values here, but Jane Eyre is awesome. By which we mean the book is great, and the character is...

"Dance can elevate our human experience beyond words," says Judith Jamison, artistic director emerita of the Alvin Ailey American Dance Theater. In between performances of excerpts from Alvin Ailey's classic works "Revelations" and...

Our final unit of Crash Course Sociology is medical sociology. Today we’ll explain what it is and get an overview of the role of society in our notions of health and disease.

Why do teenagers sometimes make outrageous, risky choices? Do they suddenly become reckless, or are they just going through a natural phase? To find out, Kashfia Rahman -- winner of the Intel International Science and Engineering Fair...

In this video Paul Andersen explains the first step in the design process, defining and delimiting the engineering problem. Design requires a clear definition of the problem and this is done by addressing both the constraints and...