Volatile rainstorms drive complex landscape changes in deserts, particularly in dryland channels, which are shaped by flash flooding. Paradoxically, such desert streams have surprisingly simple topography with smooth, straight ...
Earth Sciences
Oct 23, 2014
0
0
(Phys.org) —If you've ever watched a drop of water form into a bead or a water strider scoot across a pond, you are familiar with a property of liquids called surface tension.
General Physics
Aug 30, 2013
0
0
As shown by Pacific Northwest National Laboratory's Dr. Michael Henderson and Dr. Igor Lyubinetsky in their invited review article, using scanning probe microscopy techniques, in particular scanning tunneling microscopy or ...
Materials Science
Aug 5, 2013
0
0
While the impact of climate change on the surface of the Greenland ice sheet has been widely studied, a clear understanding of the key process of iceberg production has eluded researchers for many years. Published in Nature ...
Earth Sciences
May 8, 2013
9
1
(Phys.org)—What does pulling a radar-equipped sled across the Arctic tundra have to do with improving our understanding of climate change? It's part of a new way to explore the little-known world of permafrost soils, which ...
Earth Sciences
Jan 4, 2013
0
0
Walrus use sea ice as a reproductive, migration and resting habitat. However, as sea ice melts and recedes, this marine mammal increasingly is threatened.
Earth Sciences
Dec 14, 2012
0
0
(Phys.org)—Seven years after the powerful Category 3 Hurricane Katrina caused widespread devastation along the Gulf Coast, a Category 1 Hurricane Isaac, with maximum sustained winds of 80 miles per hour (70 knots), is making ...
Earth Sciences
Aug 29, 2012
0
0
The cause of rapid sea level rise in the past has been found by scientists at the University of Bristol using climate and ice sheet models.
Earth Sciences
Jul 11, 2012
89
0
(Phys.org) -- NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, has successfully deployed its lengthy mast, giving it the ability to see the highest energy X-rays in our universe. The mission is one step closer to ...
Space Exploration
Jun 22, 2012
2
0
(Phys.org) -- A new video from NASA's Dawn mission reveals the dappled, variegated surface of the giant asteroid Vesta. The animation drapes high-resolution false color images over a 3-D model of the Vesta terrain constructed ...
Space Exploration
Jun 7, 2012
0
0
