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News tagged with deserts

NASA research offers new prospect of water on Mars

(PhysOrg.com) -- NASA scientists are seeing new evidence that suggests traces of water on Mars are under a thin varnish of iron oxide, or rust, similar to conditions found on desert rocks in California's Mojave ...

Space & Earth / Space Exploration

created Jul 02, 2011 | popularity 4.9 / 5 (12) | comments 14 | with audio podcast

Earth is getting dustier, model suggests

(PhysOrg.com) -- If the house seems dustier than it used to be, it may not be a reflection on your housekeeping skills. The amount of dust in the Earth's atmosphere has doubled over the last century, according ...

Space & Earth / Earth Sciences

created Jan 05, 2011 | popularity 4.5 / 5 (11) | comments 6 | with audio podcast

Meteorite just one piece of an unknown celestial body

(PhysOrg.com) -- Scientists from all over the world are taking a second, more expansive, look at the car-sized asteroid that exploded over Sudan's Nubian Desert in 2008. Initial research was focused on classifying ...

Space & Earth / Space Exploration

created Dec 15, 2010 | popularity 4.7 / 5 (16) | comments 5 | with audio podcast

Sahara desert project aims to power half the world by 2050

(PhysOrg.com) -- A joint project by universities in Algeria and Japan is planning to turn the Sahara desert, the largest desert in the world, into a breeding ground for solar power plants that could supply ...

Technology / Energy & Green Tech

created Dec 02, 2010 | popularity 4.3 / 5 (44) | comments 13 | with audio podcast report

US approves world's biggest solar energy project (Update)

The Obama administration has approved a thousand-megawatt solar project on federal land in southern California, the largest solar project ever planned on U.S. public lands.

Technology / Energy & Green Tech

created Oct 25, 2010 | popularity 4.7 / 5 (34) | comments 62

African desert rift confirmed as new ocean in the making

(PhysOrg.com) -- In 2005, a gigantic, 35-mile-long rift broke open the desert ground in Ethiopia. At the time, some geologists believed the rift was the beginning of a new ocean as two parts of the African continent pulled ...

Space & Earth / Earth Sciences

created Nov 02, 2009 | popularity 4.9 / 5 (37) | comments 8

Researchers make rare meteorite find using new camera network in Australian desert

(PhysOrg.com) -- Researchers have discovered an unusual kind of meteorite in the Western Australian desert and have uncovered where in the Solar System it came from, in a very rare finding published today ...

Space & Earth / Space Exploration

created Sep 17, 2009 | popularity 4.7 / 5 (19) | comments 4

Study Reveals Small Lizard Tucks Legs and Swims Like a Snake Through Desert Sand (w/ Video)

(PhysOrg.com) -- A study published in the July 17 issue of the journal Science details how sandfish -- small lizards with smooth scales -- move rapidly underground through desert sand. In this first thorou ...

Physics / General Physics

created Jul 16, 2009 | popularity 4.7 / 5 (11) | comments 0

A Hidden Drip, Drip, Drip Beneath Earth's Surface

(PhysOrg.com) -- There are very few places in the world where dynamic activity taking place beneath Earth's surface goes undetected.

Space & Earth / Earth Sciences

created May 26, 2009 | popularity 4.8 / 5 (13) | comments 4

Young dinosaurs roamed together, died together (w/Video)

A herd of young birdlike dinosaurs met their death on the muddy margins of a lake some 90 million years ago, according to a team of Chinese and American paleontologists that excavated the site in the Gobi ...

Other Sciences / Archaeology & Fossils

created Mar 16, 2009 | popularity 4.7 / 5 (10) | comments 0

Hydrophobic Sand Could Combat Desert Water Shortages

(PhysOrg.com) -- Water scarcity is a major problem for people living in desert areas, including much of the Middle East and Africa. According to the United Nations, more than 1.6 million people die every year ...

Nanotechnology / Nanomaterials

created Feb 16, 2009 | popularity 3.9 / 5 (13) | comments 12 weblog

How a brain chemical changes locusts from harmless grasshoppers to swarming pests

(PhysOrg.com) -- Scientists have uncovered the underlying biological reason why locusts form migrating swarms. Their findings, reported in today's edition of Science, could be used in the future to prevent ...

Biology /

created Jan 29, 2009 | popularity 4.8 / 5 (6) | comments 2

Engineers aim to boost the future of renewable energy by collecting solar power in space

Solar power gathered in space could be set to provide the renewable energy of the future thanks to innovative research being carried out by engineers at the University of Strathclyde, Glasgow.

Technology / Energy & Green Tech

created May 16, 2012 | popularity 3 / 5 (6) | comments 9 | with audio podcast

Ancient network of rivers and lakes found in Arabian Desert

(Phys.org) -- Satellite images have revealed that a network of ancient rivers once coursed their way through the sand of the Arabian Desert, leading scientists to believe that the region experienced wetter ...

Other Sciences / Archaeology & Fossils

created May 01, 2012 | popularity 5 / 5 (2) | comments 11 | with audio podcast

New evidence argues against prehistoric extraterrestrial impact event

(Phys.org) -- Evidence used to support a possible extraterrestrial impact event is likely the result of natural processes, according to a new collaborative study led by U.S. Geological Survey scientists.

Space & Earth / Earth Sciences

created Apr 23, 2012 | popularity 4.5 / 5 (17) | comments 3 | with audio podcast

Desert

A desert is a landscape or region that receives an extremely low amount of precipitation, less than enough to support growth of most plants. Most deserts have an average annual precipitation of less than 400 millimetres (16 in). A common definition distinguishes between true deserts, which receive less than 250 millimetres (10 in) of average annual precipitation, and semideserts or steppes, which receive between 250 millimetres (10 in) and 400 to 500 millimetres (16 to 20 in). Deserts can also be described as areas where more water is lost by evapotranspiration than falls as precipitation. In the Köppen climate classification system, deserts are classed as BWh (hot desert) or BWk (temperate desert). In the Thornthwaite climate classification system, deserts would be classified as arid megathermal climates.

For more information about Desert, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.