LIDAR maps the impacts of Hurricane Sandy

The USGS has mapped change in the coast of Fire Island, New York as a result of Hurricane Sandy. The image below shows the key differences in topography before and after the hurricane hit. Check their results in more detail at: http://coastal.er.usgs.gov/hurricanes/sandy/lidar/

Burrowing badgers shift soil fast

Badgers are known to be efficient agents of geomorphological change.  This video illustrates the magnitude and rate of American badger burrowing...

Fulgerites - the beauty of geomorphology

Amazing picture on the  aggressively named 'I fucking love science' Facebook page of a fulgerite.  The description reads:

This is what happens when sand gets struck by lightning!

Fulgurites are natural hollow glass tubes formed in quartzose sand, silica, or soil by lightning strikes (at 3,270 °F), which instantaneously melts silica on a conductive surface and fuses grains together over a period of around one second. 
Photographed by Ken Smith.