¿Qué es eso? …¡Es un cráter en la Luna! <br/<br/>>

Twig - Los procesos físicos - La Tierra y más allá - La Luna

How to Find an Exoplanet

When we last left Jessi and Squeaks, Jessi had a big problem: her back was really itchy! Today we'll share our designs for back scratchers and build something to help her out!

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...

You may know about The Marshmallow Test, a popular psychological exam to see if people have willpower, but psychologists found that it might not be measuring willpower after all.

Space missions are difficult. Reid describes three epic space mission fails!

Are mangoes toxic? #shorts #science #SciShow

This week we are building on last week’s outline of American stratification to explore how class differences affect people’s daily lives. We’ll explore variations in everything from values & beliefs to health outcomes, and look at how...

Can opera be ever-so-slightly sexy? The glorious soprano Danielle de Niese shows how, singing the flirty "Meine Lippen, sie küssen so heiss." Which, translated, means, as you might guess: "I kiss so hot." From Giuditta by Frans Lehár;...

Fairness is one of the quickest ways to lose or gain trust. A lot of times we assume unfair people are incompetent or opportunistic. In this episode, Evelyn chats about how we perceive fairness and what the hurdles are to being "fair" in...

Upside Down Mountains in Real Life

So, today we're talking about African Pantheons. Now, you might say, that's ridiculous. Africa isn't a single place with a single pantheon, and we'd be fools to try and cover all that in an eleven minute video. You'd be right. Instead...

How do characters make a story? In this episode of Crash Course Kids Literature, we’ll investigate the traits of characters from “King and the Dragonflies” by Kacen Callender and uncover the ways they relate to each...

In which John Green teaches you MORE about To Kill a Mockingbird. In this installment, John teaches you about race, class, and gender in the American south, as seen through the eyes of Scout and Harper Lee. John will talk about how Scout...

In the final episode of Crash Course Black American History, Clint Smith teaches you about the Black Lives Matter movement. We'll discuss some of the major events that contributed to the rise of BLM, including the deaths of Trayvon...

Jessi and Squeaks love science mysteries, and today they've teamed up with their friend, Dino, to try and solve one of the biggest mysteries of all: what happened to the dinosaurs?

Scientists overwhelmingly agree that our climate is changing, Earth is getting warmer, sea levels are rising, and it's primarily because of humans putting lots of carbon dioxide in the atmosphere. Yet 4 in 10 Americans aren't convinced....

Half of the world's poorest people have something in common: they're small farmers. In this eye-opening talk, activist Andrew Youn shows how his group, One Acre Fund, is helping these farmers lift themselves out of poverty by delivering...

Mushroom foragers rejoice! Your lives just got a whole lot easier! Now, we can farm four mushrooms that used to only be found in the wild: morels, huitlacoche, chanterelles, and truffles. Here's why it took so long.

An animated interpretation of Clint Smith's poem "Ode to the Only Black Kid in the Class"

Have you found yourself staying up late, joylessly bingeing TV shows and doomscrolling through the news, or simply navigating your day uninspired and aimless? Chances are you're languishing, says organizational psychologist Adam Grant --...

Daniel Kraft demos his Marrow Miner -- a new device that quickly harvests life-saving bone marrow with minimal pain to the donor. He emphasizes that the adult stem cells found in bone marrow can be used to treat many terminal conditions,...

Dan Gilbert, author of "Stumbling on Happiness," challenges the idea that we'll be miserable if we don't get what we want. Our "psychological immune system" lets us feel truly happy even when things don't go as planned.

Paul Andersen reviews the major concepts within the second unit of the new AP Biology framework. He starts by describing how life is organized into three domains. He explains how the history of life on the planet is...