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Single-atom transistor discovered

Scientists build 'single-atom transistor'

Nanotechnology / Nanophysics

created Dec 06, 2009 | popularity 5 / 5 (28) | comments 2

(PhysOrg.com) -- Researchers from Helsinki University of Technology (Finland), University of New South Wales (Australia), and University of Melbourne (Australia) have succeeded in building a working transistor, ...


San Andreas fault

Quake prediction model developed

Space & Earth / Earth Sciences

created Dec 03, 2009 | popularity 3.8 / 5 (4) | comments 0

(PhysOrg.com) -- The third in a series of papers in the journal Nature completes the case for a new method of predicting earthquakes.


Hawaiian hot spot has deep roots

Hawaiian hot spot has deep roots

Space & Earth / Earth Sciences

created Dec 03, 2009 | popularity 4.9 / 5 (11) | comments 1

(PhysOrg.com) -- Hawaii may be paradise for vacationers, but for geologists it has long been a puzzle. Plate tectonic theory readily explains the existence of volcanoes at boundaries where plates split apart ...


Researchers identify gene that spurs deadly brain cancer

Medicine & Health / Genetics

created Dec 03, 2009 | popularity not rated yet | comments 0

Howard Hughes Medical Institute (HHMI) researchers have identified a new factor that is necessary for the development of many forms of medulloblastoma, the most common type of malignant childhood brain cancer.


Dessert on your mind? Your muscles may be getting the message

Medicine & Health / Research

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

Even the anticipation of sweets may cause our muscles to start taking up more blood sugar, say researchers reporting in the December issue of Cell Metabolism. That message is delivered via neurons in the brain's hypothalamus contai ...


Brain Scan Study Shows Cocaine Abusers Can Control Cravings

Brain Scan Study Shows Cocaine Abusers Can Control Cravings

Medicine & Health / Research

created Nov 30, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- When asked to inhibit their response to a "cocaine-cues" video, active cocaine abusers were, on average, able to suppress activity in brain regions linked to drug craving, according to a new ...


Herschel takes a peek at the ingredients of the galaxies

Herschel takes a peek at the ingredients of the galaxies

Space & Earth / Astronomy

created Nov 27, 2009 | popularity 4.8 / 5 (9) | comments 1

(PhysOrg.com) -- The European Space Agency has today released spectacular new observations from the Herschel Space Observatory, including the UK-led SPIRE instrument. Spectrometers on board all three Hershel ...


Monster Waves on the Sun are Real

Monster Waves on the Sun are Real (w/ Video)

Space & Earth / Astronomy

created Nov 25, 2009 | popularity 4.9 / 5 (20) | comments 2

Sometimes you really can believe your eyes. That's what NASA's STEREO (Solar Terrestrial Relations Observatory) spacecraft are telling researchers about a controversial phenomenon on the sun known as the "solar ...


Multitasking may be Achilles heel for hepatitis C

Medicine & Health / Research

created Nov 23, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- Hepatitis C, a formidable virus that affects 130 million people worldwide, is nursing some pretty impressive bruises. By knocking out sections and subsections of one of its proteins, scientists reveal weak ...


Cassini Sends Back Images of Enceladus as Winter Nears

Cassini Sends Back Images of Enceladus as Winter Nears

Space & Earth / Space Exploration

created Nov 23, 2009 | popularity 4.4 / 5 (7) | comments 0

(PhysOrg.com) -- NASA's Cassini spacecraft has sailed seamlessly through the Nov. 21 flyby of Saturn's moon Enceladus and started transmitting uncalibrated temperature data and images of the rippling terrain. ...


Atomic-level Snapshot Catches Protein Motor in Action (w/ Video)

Atomic-level Snapshot Catches Protein Motor in Action (w/ Video)

Biology / Cell & Microbiology

created Nov 20, 2009 | popularity 4.7 / 5 (3) | comments 1

(PhysOrg.com) -- The atomic-level action of a remarkable class of ring-shaped protein motors has been uncovered by researchers with the Lawrence Berkeley National Laboratory using a state-of-the-art protein ...


Mystery of the Solar Tsunami -- Solved

Mystery of the Solar Tsunami -- Solved (w/ Video)

Space & Earth / Astronomy

created Nov 19, 2009 | popularity 4.9 / 5 (27) | comments 9

(PhysOrg.com) -- Sometimes you really can believe your eyes. That's what NASA's Solar Terrestrial Relations Observatory (STEREO) is telling researchers about a controversial phenomenon on the sun known as ...


Maps Unveil the Source of Starburst Galaxy's Winds

Maps Unveil the Source of Starburst Galaxy's Winds

Space & Earth / Astronomy

created Nov 18, 2009 | popularity 5 / 5 (8) | comments 0

(PhysOrg.com) -- A research group at Kyoto University has discovered that shocks are the primary energy sources that excite the galactic wind region of starburst galaxy NGC 253. Their images of the center ...


Volatile gas could turn Rwandan lake into a freshwater time bomb

Space & Earth / Earth Sciences

created Nov 16, 2009 | popularity 4.6 / 5 (11) | comments 5

A dangerous level of carbon dioxide and methane gas haunts Lake Kivu, the freshwater lake system bordering Rwanda and the Republic of Congo.


Optical properties of the Antarctic system and new radiation information

Space & Earth / Earth Sciences

created Nov 16, 2009 | popularity not rated yet | comments 0

The Antarctic system comprises of the continent itself, Antarctica, and the ocean surrounding it, the Southern Ocean. In a study for a doctoral degree by geophysicist Kai Rasmus, University of Helsinki, Finland, measurements ...