News tagged with central
Groundwater depletion in semiarid regions of Texas and California threatens US food security
The nation's food supply may be vulnerable to rapid groundwater depletion from irrigated agriculture, according to a new study by researchers at The University of Texas at Austin and elsewhere.
May 28, 2012 |
4.9 / 5 (7) |
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New study finds earliest evidence yet of differential access to land
Hereditary inequality began over 7,000 years ago in the early Neolithic era, with new evidence showing that farmers buried with tools had access to better land than those buried without.
Other Sciences / Archaeology & Fossils
May 28, 2012 |
4.2 / 5 (6) |
0
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Central nervous system stem cells shed light on mechanism that controls asymmetrical division
Animals consist of many distinct cell types, all of which originate during development from a single cell: the fertilized egg. To generate this vast cellular diversity, the egg and its descendants must divide ...
May 18, 2012 |
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Humans may have helped the decline of African rainforests 3000 years ago
(PhysOrg.com) -- Large areas of rainforests in Central Africa mysteriously disappeared over three thousand years ago, to be replaced by savannas. The prevailing theory has been that the cause was a change ...
Feb 10, 2012 |
4.1 / 5 (16) |
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Viacom, Time Warner Cable settle dispute over app
(AP) -- Viacom Inc., the parent of pay TV networks MTV and Comedy Central, has settled a dispute with Time Warner Cable Inc. over whether its subscribers can watch shows like "Jersey Shore" on mobile devices while at home.
May 17, 2012 |
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Super-Earth unlikely able to transfer life to other planets
While scientists believe conditions suitable for life might exist on the so-called "super-Earth" in the Gliese 581 system, it's unlikely to be transferred to other planets within that solar system.
Mar 20, 2012 |
4.3 / 5 (14) |
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'Green' nanoparticles, that may enhance medication delivery and improve MRI performance
Researchers at Harvard-affiliated McLean Hospital have shown a new category of "green" nanoparticles comprised of a non-toxic, protein-based nanotechnology that can non-invasively cross the blood brain barrier and is capable ...
Nanotechnology / Bio & Medicine
May 02, 2012 |
5 / 5 (2) |
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Advantages of living in the dark: The multiple evolution events of 'blind' cavefish
The blind Mexican cavefish (Astyanax mexicanus) have not only lost their sight but have adapted to perpetual darkness by also losing their pigment (albinism) and having altered sleep patterns. New research publis ...
Jan 22, 2012 |
4.8 / 5 (11) |
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Seeing without eyes: Hydra stinging cells respond to light
In the absence of eyes, the fresh water polyp, Hydra magnipapillata, nevertheless reacts to light. They are diurnal, hunting during the day, and are known to move, looping end over end, or contract, in res ...
Mar 04, 2012 |
4.6 / 5 (5) |
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Anonymous briefly knocks CIA website offline (Update 2)
The website of the Central Intelligence Agency was briefly inaccessible on Friday after the hacker group Anonymous claimed to have knocked it offline.
Feb 10, 2012 |
4.6 / 5 (20) |
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Researchers replicate slime mold with brainless amoeboid robot that can move toward an attractant
(PhysOrg.com) -- Takuya Umedachi has been working for several years to build a robot that can replicate the simple actions of the common slime mold, an organism that can move towards something it desires without ...
Mar 14, 2012 |
3.7 / 5 (3) |
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Nearby planet-forming disk holds water for thousands of oceans
(PhysOrg.com) -- For the first time, astronomers have detected around a burgeoning solar system a sprawling cloud of water vapor that's cold enough to form comets, which could eventually deliver oceans to ...
Oct 21, 2011 |
4.9 / 5 (13) |
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Accelerating climate change exerts strong pressure on Europe's mountain flora
A pan-European study published in Science shows that mountain plants across the continent are moving to higher altitudes. This often results in raised species numbers on mountain tops, when colonizers from l ...
Apr 19, 2012 |
2.9 / 5 (17) |
93
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New mosquito repellant could be frightening ... for the mosquitoes!
In a small, narrow, temperature-controlled lab room at Vanderbilt University live some of the most deadly and dangerous animals in the world.
Feb 28, 2012 |
3.5 / 5 (4) |
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The Viking journey of mice and men
House mice (Mus musculus) happily live wherever there are humans. When populations of humans migrate the mice often travel with them. New research published in BioMed Central's open access journal BMC Evolutionary Biology h ...
Mar 19, 2012 |
4.3 / 5 (3) |
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