What happens to old spacecraft?. We know when new ones are launched and sometimes when they don’t make it to where they are going but after that, they just seem to go quiet. From the very first man-made object to orbit the earth to the ISS we look at where do they end up.
In which John Green teaches you a bit about the 4th of July. In this special short Crash Course, John celebrates American Independence Day by teaching you how the holiday came to be on the […]
A well done video that fits perfectly into our education Saturday series. Video is by Dark5 and features some interesting items about our brains. Guest AuthorAll Guest Author Posts are submitted or additional content Wave […]
One hundred years after the end of the first world war, battle-related deaths have fallen worldwide. But flashpoints remain and new threats are looming. Click here to subscribe to The Economist on YouTube: https://econ.st/2xvTKdy Daily […]