South African doctor sees drug-resistant HIV

Medicine & Health / HIV & AIDS

16 hours ago | not rated yet | 0

(AP) -- It's 8 a.m. and Dr. Theresa Rossouw is already drowning behind a cluttered desk of handwritten HIV charts - new, perplexing cases of patients whose lifesaving drugs have turned against them.

After foiled US plane attack, scanners revisited

Technology / Other

Dec 29, 2009 | 5 / 5 (4) | 3

As US lawmakers demand to know how a would-be attacker smuggled explosives aboard a plane on Christmas Day, the use of body scanners at airport security points is likely to be revisited.

Scientists develop technique to determine ethnic origin of stem cell lines

Biology / Cell & Microbiology

Dec 29, 2009 | 4.5 / 5 (4) | 0

An international team of scientists led by researchers at The Scripps Research Institute has developed a straightforward technique to determine the ethnic origin of stem cells.

Hacker pleads guilty in huge credit card theft case

Technology / Internet

Dec 29, 2009 | 4.8 / 5 (4) | 0

A 28-year-old Florida man pleaded guilty on Tuesday to hacking into corporate computer networks and carrying out what US officials have described as the largest credit card theft in US history.

Scientists Show How Bacteria Move Electrons Across a Membrane

Chemistry / Biochemistry

Dec 29, 2009 | 4.5 / 5 (8) | 0

(PhysOrg.com) -- Scientists at the University of East Anglia, Pacific Northwest National Laboratory, and Pennsylvania State University have demonstrated for the first time the mechanism by which some bacteria ...

First molars provide insight into evolution of apes, humans

Biology / Evolution

Dec 28, 2009 | 3 / 5 (2) | 0

(PhysOrg.com) -- The timing of molar emergence and its relation to growth and reproduction in apes is being reported by two scientists at Arizona State University's Institute of Human Origins in the Dec. 28 ...

CU Students to Build Tiny Spacecraft to Observe 'Space Weather' Environment

Space & Earth / Space Exploration

Dec 29, 2009 | 4.2 / 5 (5) | 0

(PhysOrg.com) -- The University of Colorado at Boulder has been awarded $840,000 from the National Science Foundation for students to build a tiny spacecraft to observe energetic particles in space that should ...

Moving video to 'captcha' robot hackers

Technology / Computer Sciences

Dec 29, 2009 | 3.3 / 5 (4) | 1

We see the popular "captcha" security mechanism often ― wavy letters websites ask us to type into a box. It's used by web pages and newsletter sign-up forms to prevent computer robots from hacking into servers and databases. ...

Tracking Virus Resistance Genes in Watermelon Made Easier

Biology / Biotechnology

Dec 29, 2009 | not rated yet | 0

(PhysOrg.com) -- Finding watermelon genes that confer resistance to the devastating zucchini yellow mosaic virus (ZYMV) has just been made easier, thanks to molecular markers developed by Agricultural Research ...

Blood test that provides prior blood sugar average now recommended for diabetes screening, diagnosis (w/ Video)

Medicine & Health / Diseases

Dec 29, 2009 | 4 / 5 (2) | 0

(PhysOrg.com) -- In an annual supplement to the journal Diabetes Care, published Dec. 29 by the American Diabetes Association, the A1C test is given a prominent role in the 2010 guidelines for diabetes screening, diagnosis ...

New research could advance research field critical to personalized medicine

Medicine & Health / Genetics

Dec 29, 2009 | 5 / 5 (2) | 1

It's the ultimate goal in the treatment of cancer: tailoring a person's therapy based on his or her genetic makeup. While a lofty goal, scientists are steadily moving forward, rapidly exploiting new technologies. Researchers ...

A facial expression is worth a thousand words

Medicine & Health / Psychology & Psychiatry

Dec 28, 2009 | 3.3 / 5 (6) | 0

(PhysOrg.com) -- Moving pictures are more suitable to interpret the mood of a person than a static photograph.

Couple stranded 3 days after GPS leads them astray

Technology / Engineering

Dec 28, 2009 | 4.5 / 5 (6) | 1

(AP) -- A Nevada couple letting their SUV's navigation system guide them through the high desert of Eastern Oregon got stuck in snow for three days when the GPS unit sent them down a remote forest road.

Newly Discovered Gene Mutation Linked to Nerve Diseases

Medicine & Health / Genetics

Dec 28, 2009 | 5 / 5 (2) | 0

(PhysOrg.com) -- Researchers from the Northwestern University Feinberg School of Medicine have identified mutations in the gene for TRPV4 that cause two related degenerative motor nerve disorders, scapuloperoneal spinal muscular ...

Cockroaches offer inspiration for running robots

Electronics / Robotics

Dec 28, 2009 | 4.7 / 5 (6) | 0

The sight of a cockroach scurrying for cover may be nauseating, but the insect is also a biological and engineering marvel, and is providing researchers at Oregon State University with what they call "bioinspiration" ...

New RNA interference technique can silence up to five genes

Medicine & Health / Research

Dec 28, 2009 | 5 / 5 (4) | 0

Researchers at MIT and Alnylam Pharmaceuticals report this week that they have successfully used RNA interference to turn off multiple genes in the livers of mice, an advance that could lead to new treatments ...