The seismic waves from the Nepal earthquake were registered 8,000 miles away, all the way in the US – though this is completely normal. The story behind the incredible stations that monitor the world's vibrations is one worth knowing.
A few years ago, the water suddenly disappeared from a subglacial lake in Greenland, and it collapsed into a funny silhouette that NASA likens to a "mitten", but I think looks more like a waving Yeti. Read More >>
How dangerous is natural asbestos when it's blowing in the wind? Well, a cancer controversy in the US over the naturally occurring mineral sees geologists still locked in a legal battle with the Nevada health department.