Search results for science:

Refine search   


Ecological speciation by sexual selection on good genes: Is speciation adaptive?

Biology / Ecology

created Nov 26, 2009 | popularity 5 / 5 (1) | comments 0

Darwin suggested that the action of natural selection can produce new species, but 150 years after the publication of his famous book, 'On the Origin of Species', debate still continues on the mechanisms of speciation. New ...


Nanowire Formation

Nanowires key to future transistors, electronics

Nanotechnology / Nanophysics

created Nov 26, 2009 | popularity 4.6 / 5 (9) | comments 2

(PhysOrg.com) -- A new generation of ultrasmall transistors and more powerful computer chips using tiny structures called semiconducting nanowires are closer to reality after a key discovery by researchers ...


Research sheds light on workings of anti-cancer drug

Chemistry / Analytical Chemistry

created Nov 26, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- The copper sequestering drug tetrathiomolybdate (TM) has been shown in studies to be effective in the treatment of Wilson disease, a disease caused by an overload of copper, and certain metastatic cancers. ...


Building real security with virtual worlds

Building real security with virtual worlds

Technology / Computer Sciences

created Nov 26, 2009 | popularity 4 / 5 (5) | comments 1

(PhysOrg.com) -- Advances in computerized modeling and prediction of group behavior, together with improvements in video game graphics, are making possible virtual worlds in which defense analysts can explore ...


Coma recovery case attracts doubters

Medicine & Health / Other

created Nov 26, 2009 | popularity 5 / 5 (1) | comments 1

(AP) -- Rom Houben's mother remembers her son's amazement when he finally started communicating again after spending 23 years locked in a paralyzed body that was misdiagnosed as vegetative.


Knockouts in human cells point to pathogenic targets

Knockouts in human cells point to pathogenic targets

Biology / Cell & Microbiology

created Nov 26, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- Whitehead researchers have developed a new approach for genetics in human cells and used this technique to identify specific genes and proteins required for pathogens.


Gullies and Flow Features on Crater Wall

Gullies and Flow Features on Crater Wall

Space & Earth / Space Exploration

created Nov 26, 2009 | popularity 4.5 / 5 (2) | comments 0

(PhysOrg.com) -- This image from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter shows a sample of the variety and complexity of processes that may occur ...


New chemical reaction offers opportunities for drug development

Chemistry / Biochemistry

created Nov 26, 2009 | popularity 5 / 5 (1) | comments 2

Researchers led by Conway Fellow, Professor Pat Guiry have solved a chemistry problem that has stumped researchers worldwide for more than a decade. The results have earned the group the cover story of the leading scientific ...


Stuffing the turkey and other Thanksgiving food-safety mistakes

Medicine & Health / Diseases

created Nov 25, 2009 | popularity 3.8 / 5 (4) | comments 0

(PhysOrg.com) -- What would a Thanksgiving turkey be without its stuffing, and what better place for that stuffing than inside the turkey? Despite the tradition involved, a food-safety specialist in Penn State's College of ...


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 ...


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.


Jail

Preventing Spread of HIV in Jails: Best Window of Opportunity Early in Incarceration

Medicine & Health / HIV & AIDS

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

(PhysOrg.com) -- With World AIDS Day less than a week away, two new studies from Yale School of Medicine show that jail inmates, one of the highest risk groups for AIDS, are far more likely to be tested for ...


Scientists report first effective medical therapy for rare stomach disorder

Medicine & Health / Cancer

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

A drug used to treat colorectal cancer also can reverse a rare stomach disorder and should be considered first-line therapy for the disease, researchers at Vanderbilt University Medical Center report this week.


Implant-based cancer vaccine is first to eliminate tumors in mice

Implant-based cancer vaccine is first to eliminate tumors in mice

Medicine & Health / Cancer

created Nov 25, 2009 | popularity 4.7 / 5 (30) | comments 7

(PhysOrg.com) -- A cancer vaccine carried into the body on a carefully engineered, fingernail-sized implant is the first to successfully eliminate tumors in mammals, scientists report this week in the journal ...