Should the U.S. Switch to Permanent Daylight ...

Both of these terms are actually valid, though they have slightly different meanings, and only one of them is based in sailors' slang. Learn the history of 'jury-rigged' and 'jerry-rigged' -- and how to use them correctly -- in this episode of BrainStuff, based on this article: h ...  Show more

The idea of General George Custer's deadly military blunder being a heroic last stand was constructed over decades to encourage U.S. colonization of the West. Learn how Anheuser-Busch helped in this episode of BrainStuff, based on this article: https://history.howstuffworks.com/a ...  Show more

In this week's SYSK Select episode, Benjamin Franklin first came up with daylight saving time in 1748, and people still practice it today. But how does it work? What are the pros and cons? Join Josh and Chuck as they turn back the clock to explore the origins of daylight savin ...

How are scientists improving solar panel efficiency? What do moth eyes have to do with solar panels? How long until solar panels are cheap enough for the average homeowner?

Most of us take sunset as the cue to start winding down our day, but what if the sun never sets? The remote city of Inuvik, Canada is so deep in the Northern Hemisphere that it experiences months of non-stop sunlight in the summer, followed by months of fulltime darkness in the w ...  Show more

Rediffusion (je reviens le 26 avril ;)

Les interactions entre la Terre et la Lune expliquent l'éloignement de notre satellite naturel. Ce phénomène, ainsi que la situation actuelle du Soleil, expliquent la raréfaction, puis la fin programmée des éclipses solaires totales ...