A vast ocean likely covered one-third of the surface of Mars some 3.5 billion years ago, according to a new study conducted by University of Colorado at Boulder scientists.
Jun 13, 2010
4.8 / 5 (26)
4
|
(PhysOrg.com) -- A team of archaeologists from the University of Chicago's Oriental Institute, along with a team of Syrian colleagues, is uncovering new clues about a prehistoric society that formed the foundation ...
Apr 06, 2010
4.9 / 5 (22)
3
|
(PhysOrg.com) -- A set of recent papers, many of which draw on data from NASA's Cassini spacecraft, reveal new details in the emerging picture of how Saturn's moon Titan shifts with the seasons and even throughout ...
Feb 23, 2012
4.4 / 5 (9)
6
|
Agricultural irrigation in California's Central Valley doubles the amount of water vapor pumped into the atmosphere, ratcheting up rainfall and powerful monsoons across the interior Southwest, according to a new study by ...
Jan 28, 2013
4.6 / 5 (5)
2
|
From high above the Florida Panhandle, the Apalachicola Bluffs -- a winding system of steep ravines -- look like the branching veins of a leaf.
Feb 06, 2012
5 / 5 (3)
2
|
Maize was domesticated from its wild ancestor more than 8700 years according to biological evidence uncovered by researchers in the Mexico's Central Balsas River Valley. This is the earliest dated evidence ...
Mar 23, 2009
4.5 / 5 (8)
0
Over the course of decades or even centuries, Earth's landscape can appear relatively static, with mountains and valleys seemingly anchored firmly in place. Viewed over a longer timescale, however—on the ...
Dec 06, 2012
5 / 5 (1)
0
|
New genetic evidence presented by a team led by Indiana University biology doctoral graduate Benjamin Blackman confirms the eastern United States as the single geographic domestication site of modern sunflowers. ...
Aug 15, 2011
5 / 5 (1)
1
|
Scientists predict this year's "dead zone" of low-oxygen water in the northern Gulf of Mexico will be the largest in history - about the size of Lake Erie - because of more runoff from the flooded Mississippi River valley.
Jun 15, 2011
not rated yet
0
A new satellite that will detect the lightning inside storm clouds may lead to valuable improvements in tornado detection. The GOES-R satellite is currently being built with new technology that may help provide ...
Feb 28, 2013
not rated yet
0
For years, geologists have argued about the processes that formed steep inner gorges in the broad glacial valleys of the Swiss Alps.
Dec 05, 2010
4.2 / 5 (5)
5
|
Situated at the foothills of the Western Tian-Shan, Kyrgyzstan is home to a diverse range of vascular plants, many of which are endemic and can only be found in very narrowly circumscribed areas. Such is ...
Apr 02, 2013
4 / 5 (1)
0
El Nino-Southern Oscillation (ENSO) - the semiperiodic climate event associated with warming sea surface temperatures off the coast of Peru - not only disrupts atmospheric circulations, dramatically altering weather patterns ...
Oct 11, 2012
2 / 5 (1)
0
(Phys.org)—In late February 2013, a major snowstorm made its way across the continental United States, dropping snow from Colorado to the Great Lakes region. The National Weather Service reported snow totals ...
Feb 28, 2013
not rated yet
0
(AP) -- Environmental groups are suing the Environmental Protection Agency to force the federal government to curb an overdose of nutrients from farms and cities that end up in the nation's rivers, lakes and coastal waters. ...
Mar 15, 2012
3.7 / 5 (3)
4
