News tagged with model system

Related topics: stem cells

Fruit flies use alcohol as a drug to kill parasites

Fruit flies infected with a blood-borne parasite consume alcohol to self-medicate, a behavior that greatly increases their survival rate, an Emory University study finds.

Biology / Plants & Animals

created Feb 16, 2012 | popularity 4.5 / 5 (2) | comments 12 | with audio podcast

Researchers build computer model that explains lakes and storms on Saturn's moon Titan

Saturn's largest moon, Titan, is an intriguing, alien world that's covered in a thick atmosphere with abundant methane. With an average surface temperature of a brisk -297 degrees Fahrenheit (about 90 kelvins) ...

Space & Earth / Space Exploration

created Jan 04, 2012 | popularity 4 / 5 (7) | comments 1 | with audio podcast

A big surprise from the edge of the solar system: magnetic bubbles (w/ video)

(PhysOrg.com) -- NASA's Voyager probes are truly going where no one has gone before. Gliding silently toward the stars, 9 billion miles from Earth, they are beaming back news from the most distant, unexplored ...

Space & Earth / Space Exploration

created Jun 09, 2011 | popularity 4.9 / 5 (35) | comments 25 | with audio podcast

Study shows evolutionary adaptations can be reversed, but rarely

(PhysOrg.com) -- Ever since Charles Darwin proposed his theory of evolution in 1859, scientists have wondered whether evolutionary adaptations can be reversed.

Biology / Evolution

created May 11, 2011 | popularity 5 / 5 (4) | comments 18 | with audio podcast

From candy floss to rock: Study provides new evidence about beginnings of the solar system

(PhysOrg.com) -- The earliest rocks in our Solar System were more like candy floss than the hard rock that we know today, according to research published today in the journal Nature Geoscience.

Space & Earth / Space Exploration

created Mar 27, 2011 | popularity 4.6 / 5 (12) | comments 3 | with audio podcast

Magnetism's subatomic roots: Study of high-tech materials helps explain everyday phenomenon

(PhysOrg.com) -- The modern world -- with its ubiquitous electronic devices and electrical power -- can trace its lineage directly to the discovery, less than two centuries ago, of the link between electricity and magnetism. ...

Physics / General Physics

created Sep 03, 2010 | popularity 4.6 / 5 (20) | comments 4 | with audio podcast

Formation of Saturn's ring moons explained

(PhysOrg.com) -- New computer simulations based on data collected by the Cassini spacecraft mission suggest five of Saturn's moons may have been formed only 10 million years ago, and researchers in France ...

Space & Earth / Astronomy

created Jun 10, 2010 | popularity 4.8 / 5 (12) | comments 8 | with audio podcast report

New HIV model suggests killer T cell for vaccine

Limited success in modelling the behaviour of the complex, unusual and unpredictable HIV virus has slowed efforts to develop an effective vaccine to prevent AIDS.

Physics / General Physics

created Apr 29, 2010 | popularity 4.9 / 5 (8) | comments 5 | with audio podcast

Fire influences global warming more than previously thought

Fire's potent and pervasive effects on ecosystems and on many Earth processes, including climate change, have been underestimated, according to a new report.

Space & Earth / Environment

created Apr 23, 2009 | popularity 4.3 / 5 (12) | comments 1

Pollution teams with thunderclouds to warm atmosphere

Pollution is warming the atmosphere through summer thunderstorm clouds, according to a computational study published May 10 in Geophysical Research Letters. How much the warming effect of these clouds offsets the cooling that o ...

Space & Earth / Earth Sciences

created May 18, 2012 | popularity 3.3 / 5 (3) | comments 6 | with audio podcast

Protein analysis investigates marine worm community

(Phys.org) -- Techniques used by researchers from the Department of Energy's Oak Ridge National Laboratory to analyze a simple marine worm and its resident bacteria could accelerate efforts to understand more ...

Biology / Cell & Microbiology

created May 09, 2012 | popularity not rated yet | comments 0 | with audio podcast

Magnetic nanochain detonates chemo barrage inside tumors

Medicine-toting nanochains slip into tumors and explode a chemotherapy drug into hard-to-reach cores of cancer, engineers and scientists at Case Western Reserve University report.

Nanotechnology / Bio & Medicine

created Apr 18, 2012 | popularity 5 / 5 (8) | comments 0 | with audio podcast

Volcanic plumbing exposed

Two new studies into the "plumbing systems" that lie under volcanoes could bring scientists closer to predicting large eruptions.

Space & Earth / Earth Sciences

created Mar 30, 2012 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Pioneering research on Bacillus subtilis metabolism reveals bacterium's secrets

Ground-breaking research by an international team of scientists will help to make one of the most versatile of bacteria even more useful to society and the environment.

Chemistry / Biochemistry

created Mar 01, 2012 | popularity not rated yet | comments 0 | with audio podcast

Scientists present first model of how buds grow into leaves

Leaves come in all shapes and sizes. Scientists have discovered simple rules that control leaf shape during growth. Using this 'recipe', they have developed the first computer model able to accurately emulate ...

Biology / Plants & Animals

created Mar 01, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast