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Scientists use DNA sequencing to attack lung cancer

Medicine & Health / Cancer

created Dec 16, 2009 | popularity 5 / 5 (1) | comments 0

Aided by next-generation DNA sequencing technology, an international team of researchers has gained insights into how more than 60 carcinogens associated with cigarette smoke bind to and chemically modify human DNA, ultimately ...


Caltech scientists film photons with electrons

Caltech scientists film photons with electrons

Physics / General Physics

created Dec 16, 2009 | popularity 4.8 / 5 (18) | comments 0

(PhysOrg.com) -- Techniques recently invented by researchers at the California Institute of Technology -- which allow the real-time, real-space visualization of fleeting changes in the structure of nanoscale ...


Scientists study hummingbirds flight to develop self-propelled surveillance devices

Technology / Engineering

created Dec 16, 2009 | popularity 3.8 / 5 (5) | comments 1

The secret to the flight of the hummingbird and other tiny birds and insects lies in the looping, swirling flow of air, called a vortex, that their flapping wings create.


Filtering truth?

Technology / Internet

created Dec 16, 2009 | popularity 3.7 / 5 (3) | comments 0

(PhysOrg.com) -- Plans for mandatory internet filtering in Australia may see a wide range of material disappear from computer screens, according to research led by a UNSW academic.


New way to break some of the strongest chemical bonds

New way to break some of the strongest chemical bonds

Chemistry / Materials Science

created Dec 16, 2009 | popularity 4.6 / 5 (23) | comments 0

(PhysOrg.com) -- Scientists at Cornell University in the U.S. have found a new way of breaking two of the strongest chemical bonds, at ambient temperature and pressure, and this breakthrough could lead to ...


Internet-based customized newscast has been cooking in the InfoLab at a US university for over three years

US university coding future of news

Technology / Computer Sciences

created Dec 16, 2009 | popularity 3.7 / 5 (3) | comments 0

Personalized newscasts culled from the Web and presented by digital avatars. Baseball stories written by computers using raw data.


Micromachined piezoelectric harvester drives fully autonomous wireless sensor

Micromachined piezoelectric harvester drives fully autonomous wireless sensor

Technology / Engineering

created Dec 15, 2009 | popularity 5 / 5 (11) | comments 1

For the first time, a piezoelectric harvesting device fabricated by MEMS technology generates a record of 85μW electrical power from vibrations. A wafer level packaging method was developed for robustness. ...


Climate Wizard makes large databases of climate information visual, accessible

Space & Earth / Environment

created Dec 15, 2009 | popularity 3.4 / 5 (11) | comments 10

A Web tool that generates color maps of projected temperature and precipitation changes using 16 of the world's most prominent climate-change models is being used to consider such things as habitat shifts that will affect ...


Biologist Shows Female Birds of a Feather Compete Together

Biologist Shows Female Birds of a Feather Compete Together

Biology / Plants & Animals

created Dec 15, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- With its flamboyantly decorated plumage, the peacock is a classic example of how males among many bird species are more visually eye-catching than their female partners. But new research, ...


Close-up photos of dying star show our sun's fate

Close-up photos of dying star show our sun's fate (w/ Video)

Space & Earth / Astronomy

created Dec 15, 2009 | popularity 5 / 5 (20) | comments 4

(PhysOrg.com) -- About 550 light-years from Earth, a star like our Sun is writhing in its death throes. Chi Cygni has swollen in size to become a red giant star so large that it would swallow every planet ...


The importance of attractiveness depends on where you live

Medicine & Health / Psychology & Psychiatry

created Dec 15, 2009 | popularity 4.2 / 5 (6) | comments 2

Do good-looking people really benefit from their looks, and in what ways? A team of researchers from the University of Georgia and the University of Kansas found that yes; attractive people do tend to have more social relationships ...


Low cholesterol transfer protein activity associated with heart disease risk

Medicine & Health / Research

created Dec 15, 2009 | popularity 5 / 5 (1) | comments 0

Although seen as a potential heart disease therapy, raising high-density lipoprotein (HDL) cholesterol levels by inhibiting activity of a transfer protein may not be effective, a new study suggests. Scientists at the Jean ...


Hypoxia increases as climate warms

Space & Earth / Earth Sciences

created Dec 15, 2009 | popularity 4.3 / 5 (6) | comments 0

A new study of Pacific Ocean sediments off the coast of Chile has found that offshore waters experienced systematic oxygen depletion during the rapid warming of the Antarctic following the last "glacial maximum" period 20,000 ...


Scientists Investigate Cause of 'Singing Dunes'

Scientists Investigate Cause of 'Singing Dunes'

Physics / General Physics

created Dec 15, 2009 | popularity 4.3 / 5 (17) | comments 7

(PhysOrg.com) -- In more than 30 locations around the world, the phenomenon of singing sand dunes has intrigued explorers, tourists, and scientists. When an avalanche occurs or even when the sand is pushed ...


Obesity epidemic taking root in Africa

Medicine & Health / Health

created Dec 15, 2009 | popularity not rated yet | comments 0

The urban poor in sub-Saharan Africa are the latest victims of the obesity epidemic. Researchers writing in the open access journal BMC Public Health claim that overweight and obesity are on the increase among this group. ...