News tagged with main field


Lava flows reveal clues to magnetic field reversals

Space & Earth / Earth Sciences

created Sep 25, 2008 | popularity 4.8 / 5 (15) | comments 1

(PhysOrg.com) -- Ancient lava flows are guiding a better understanding of what generates and controls the Earth's magnetic field — and what may drive it to occasionally reverse direction.





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Researchers demonstrate nanoscale X-ray imaging of bacterial cells

Researchers demonstrate nanoscale X-ray imaging of bacterial cells

Physics / General Physics

created 7 hours ago | popularity 5 / 5 (1) | comments 0

An ultra-high-resolution imaging technique using X-ray diffraction is a step closer to fulfilling its promise as a window on nanometer-scale structures in biological samples. In the Proceedings of the National Ac ...


NASA to launch sky-mapping spacecraft (AP)

NASA to launch sky-mapping spacecraft

Space & Earth / Astronomy

created Dec 06, 2009 | popularity 5 / 5 (4) | comments 2

(AP) -- NASA's latest space telescope will scan the sky in search of never-before-seen asteroids, comets, stars and galaxies, with one of its main tasks to catalog objects posing a danger to Earth. The sky-mapping ...


Researchers Build Artificial Immune System to Solve Computational Problems

Researchers Build Artificial Immune System to Solve Computational Problems

Technology / Computer Sciences

created Dec 03, 2009 | popularity 4.9 / 5 (12) | comments 0

(PhysOrg.com) -- By mimicking the way that a living body acquires immunity to disease through vaccination, researchers have designed an artificial immune system to solve optimization problems more effectively ...


Researchers take part in DNA sequencing for entire Pacific island

Researchers plan DNA sequencing for entire Pacific island

Biology / Plants & Animals

created Dec 02, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- University of Florida researchers are collecting marine invertebrates on the French Polynesian island of Moorea as part of a massive effort to inventory the DNA sequence of every living species ...


Crime scene measurements can be taken from a single image

Crime scene measurements can be taken from a single image

Technology / Computer Sciences

created Dec 01, 2009 | popularity 3 / 5 (1) | comments 0

Two researchers from the University of Salamanca have developed a procedure to enable forensic police to extract metric data from crime scenes using just a single photograph. Their proposal, published this ...


Nuclear science to fight sleeping sickness

Medicine & Health / Diseases

created Nov 27, 2009 | popularity 4.5 / 5 (2) | comments 0

The International Atomic Energy Agency on Friday announced an agreement to help African nations battle the tsetse fly, the main carrier of parasites that causes sleeping sickness with its bites.


Engineers, doctors develop novel material that could help fight arterial disease

Medicine & Health / Research

created Nov 25, 2009 | popularity not rated yet | comments 0

A fortuitous discovery that grew out of a collaboration between UCLA engineers and physicians could potentially offer hope to the nearly 10 million Americans who suffer from peripheral arterial disease.


UQ archaeology digs into the life behind Pompeii

Other Sciences / Archaeology & Fossils

created Nov 25, 2009 | popularity 3 / 5 (4) | comments 0

(PhysOrg.com) -- Brisbane may be 2000 years and half-a-world away from Pompeii, but it hasn’t stopped a UQ archaeologist from digging up some hidden treasures.


The drying shores of the Dead Sea

Dead Sea needs world help to stay alive

Space & Earth / Environment

created Nov 24, 2009 | popularity 3.8 / 5 (6) | comments 3

The Dead Sea may soon shrink to a lifeless pond as Middle East political strife blocks vital measures needed to halt the decay of the world's lowest and saltiest body of water, experts say.


First black holes may have incubated in giant, starlike cocoons, says CU-Boulder study

First black holes may have incubated in giant, starlike cocoons

Space & Earth / Astronomy

created Nov 24, 2009 | popularity 4.2 / 5 (20) | comments 22

(PhysOrg.com) -- The first large black holes in the universe likely formed and grew deep inside gigantic, starlike cocoons that smothered their powerful x-ray radiation and prevented surrounding gases from ...



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