In the long term, shutting down a coal mine means cleaner air and a healthier environment — but in the short term, it can devastate a community or family that relied on the mine's paychecks to make ends meet. Environmental justice...

Hank has some thoughts on the news that several Italian scientists who were convicted of 29 counts manslaughter for making an "inadequate risk-assessment" before an earthquake.

Today in many countries solar is the cheapest form of energy to produce. Millions of homes are equipped with rooftop solar, with most units paying for themselves in their first seven to 12 years and then generating further savings. So,...

Solar power is cheaper and more sustainable than our current coal-fueled power plants, so why haven't we made the switch? The real culprits here are the clouds, which make solar power difficult to control. Alexandros George Charalambides...

Throughout six centuries, the Ghent Altarpiece, also called "The Adoration of the Mystic Lamb," has been burned, forged, and raided in three different wars. It is, in fact, the world's most stolen artwork— and is considered one of the...

The villainous Dr. Schrodinger has developed a growth ray and intends to create an army of giant cats to terrorize the city. Your team of secret agents has tracked him to his underground lab. You burst in to find. . . that it's a trap!...

Hank has some thoughts on the news that several Italian scientists who were convicted of 29 counts manslaughter for making an "inadequate risk-assessment" before an earthquake.

Kevin Surace suggests we rethink basic construction materials -- such as the familiar wallboard -- to reduce the huge carbon footprint generated by the manufacturing and construction of our buildings. He introduces EcoRock, a clean,...

In this funny and inspiring talk, Dan Phillips tours us through a dozen homes he's built in Texas using recycled and reclaimed materials in wildly creative ways. Brilliant, low-tech design details will refresh your own drive to make more...

Space is where things happen. Time is when things happen. And sometimes, in order to really look at the universe, you need to take those two concepts and mash them together. In this first lesson of a three-part series on space-time,...

The LXD (the Legion of Extraordinary Dancers) electrify the TED stage with an emerging global street-dance culture, revved up by the Internet. Directed by Jon M. Chu, this astonishing troupe of dancers and musicians show off their...

If you want to get into space, you need combustible fuel. But if you want to stay operational in space, you need to harness the power of the sun itself.

Written language, the hallmark of human civilization, didn't just suddenly appear one day. Thousands of years before the first fully developed writing systems, our ancestors scrawled geometric signs across the walls of the caves they...

It finally happened! The James Webb Space Telescope is on its way to capturing never-before-seen images of the universe! But now that it’s airborne and unfurled, what are its next steps before it can deliver the goods?

Hank explains the power of solar energy and describes how it may fit into our diversified energy future.

Humans generally have a good idea of whether something will make us happy or unhappy, but it turns out we’re not great at knowing exactly how much.

Si tu pantalla está azul, quieres diagnosticar problemas en tu computador o quieres saber si tu computador está funcionando bien, puedes activar el modo seguro e identificar lo que puede estar sucediendo.



El mejor método para...

En este video del curso de Firefox te enseñamos a usar Firefox en tu celular: ¿cómo personalizar tu navegador Firefox en el celular?, ¿qué es vista de pestañas?, ¿cómo ver el menú principal de opciones de Firefox en el celular?, ¿cómo...

Microsoft Defender es un antivirus desarrollado por Microsoft. Aquí te enseñamos cómo activar y desactivar el antivirus Microsoft Defender.



Aunque empezó como un simple programa para prevenir delitos informáticos como el robo...

En este video del curso de Google Slides te enseñamos cómo agregar una animación a un objeto en Google Slides, cómo agregar una transición a una diapositiva en Google Slides y cómo controlar la velocidad de una animación en Google Slides.

En este video del curso de Google Slides te enseñamos cómo insertar diagramas en Google Slides y cómo insertar gráficos en Google Slides: barras, columnas, líneas o circular.

Canva te ofrece muchas plantillas para hacer. Te enseñamos cómo filtrar plantillas por categorías, cómo encontrar diseños por temas, cómo editar textos, cómo eliminar elementos, cómo cambiar el tipo de letra y cómo cambiar el tamaño de...

This video provides helpful tips for hosting productive meetings in Zoom. The first tip focuses on utilizing the chat feature to exchange greetings, ask questions, and control who participants can chat with. The second tip covers muting...

Howcast - Learn how to find a good jazz dance competition from jazz dance expert Liz Piccoli in this Howcast dance video.