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Archive: 05/15/2008

Long lost sisters

The human race was divided into two separate groups within Africa for as much as half of its existence, says a Tel Aviv University mathematician. Climate change, reduction in populations and harsh conditions may have caused ...

Other Sciences / Mathematics

created May 15, 2008 | popularity 4.3 / 5 (20) | comments 0

Researcher finds El Nino may have been factor in Magellan's Pacific voyage

A new paper by North Carolina State University archaeologist Dr. Scott Fitzpatrick shows that Ferdinand Magellan’s historic circumnavigation of the globe was likely influenced in large part by unusual weather conditions – ...

Other Sciences / Archaeology & Fossils

created May 15, 2008 | popularity 4.4 / 5 (7) | comments 0

MIT crafts bacteria-resistant films

Having found that whether bacteria stick to surfaces depends partly on how stiff those surfaces are, MIT engineers have created ultrathin films made of polymers that could be applied to medical devices and other surfaces ...

Chemistry /

created May 15, 2008 | popularity 4 / 5 (2) | comments 0

Researchers show link between vitamin D status, breast cancer

Using newly available data on worldwide cancer incidence, researchers at the Moores Cancer Center at University of California, San Diego and the Department of Family and Preventive Medicine have shown a clear association ...

Medicine & Health / Cancer

created May 15, 2008 | popularity 4.6 / 5 (12) | comments 0

Simple Model Cell is Key to Understanding Cell Complexity

A team of Penn State researchers has developed a simple artificial cell with which to investigate the organization and function of two of the most basic cell components: the cell membrane and the cytoplasm--the ...

Chemistry /

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

New study casts further doubt on risk of death from higher salt intake

Contrary to long-held assumptions, high-salt diets may not increase the risk of death, according to investigators from the Albert Einstein College of Medicine of Yeshiva University. They reached their conclusion after examining ...

Medicine & Health / Research

created May 15, 2008 | popularity 4.7 / 5 (15) | comments 0

Most teen girls still experience sexual haMost teen girls still experience sexual harassment and sexism, according to ne

Nine of 10 teen girls report experiencing sexual harassment, and majorities also say they have received discouraging comments about their abilities in school and athletics, according to a new study that appears in the May/June ...

Medicine & Health / Psychology & Psychiatry

created May 15, 2008 | popularity 2 / 5 (4) | comments 3

Sharp Achieves the World’s Highest Power Density for Direct Methanol Fuel Cells

Sharp Corp. has achieved the world's highest power density, 0.3W/cc, for direct methanol fuel cells (DMFC) for mobile equipment. This new technology enables efficient power generation from a small cell volume. The use of ...

Technology / Energy & Green Tech

created May 15, 2008 | popularity 4.8 / 5 (9) | comments 1

NASA Satellite Finds Interior of Mars Is Colder

New observations from NASA's Mars Reconnaissance Orbiter indicate that the crust and upper mantle of Mars are stiffer and colder than previously thought.

Space & Earth / Space Exploration

created May 15, 2008 | popularity 4.4 / 5 (22) | comments 2

IBM Research Unveils Breakthrough In Solar Farm Technology

IBM today announced a research breakthrough in photovoltaics technology that could significantly reduce the cost of harnessing the Sun's power for electricity.

Technology / Energy & Green Tech

created May 15, 2008 | popularity 4.7 / 5 (88) | comments 10

Fuel cells: distant dream, but burning with promise

Some day, fuel cells may power your car and exhaust only water and perhaps carbon dioxide. More efficient and cleaner than an internal combustion engine, their emissions will be much lower. They may also run ...

Chemistry /

created May 15, 2008 | popularity 3.9 / 5 (18) | comments 0

Eccentric pulsar system challenges theories of binary formation

An ongoing sky survey using the Cornell-managed Arecibo radio telescope in Puerto Rico has turned up a massive, fast-spinning binary pulsar with a mysterious elongated orbit, researchers say. The pulsar and ...

Space & Earth / Astronomy

created May 15, 2008 | popularity 4.2 / 5 (17) | comments 1

Study takes a step toward better defining fatigue

In an effort to better define and ultimately address fatigue more effectively, a qualitative study from The University of Texas M. D. Anderson Cancer Center has identified three primary themes - loss of strength or energy, ...

Medicine & Health / Cancer

created May 15, 2008 | popularity 4.3 / 5 (3) | comments 0

First evidence of native dendritic cells in brain

In a finding that has the potential to change the way researchers think about the brain, scientists at Rockefeller University have found dendritic cells where they’ve never been seen before: among this organ’s ...

Medicine & Health / Research

created May 15, 2008 | popularity 4.7 / 5 (10) | comments 0

Astronomers use new model of dust in galaxies to remeasure the total energy output of stars in the universe

Anyone gazing up on a dark clear night is greeted by the spectacle of thousands of powerful fusion reactors - the stars. These balls of extremely hot gas are generating unimaginably large quantities of energy. ...

Space & Earth / Astronomy

created May 15, 2008 | popularity 4.4 / 5 (22) | comments 0