Spanish geneticists say they have discovered how bilaterally symmetric flowers evolve from radially symmetric ones.

Biology -

Oct 02, 2006 4.1 / 5 (9) 0

Researchers at the Vaccine and Gene Therapy Institute (VGTI) at Oregon Health & Science University have demonstrated how certain white blood cells literally eat virus-infected cells while fighting disease at the microscopic ...

Medicine & Health - Medical research

Oct 02, 2006 4.3 / 5 (13) 0

Toshiba today announced the world's first slim HD DVD drive for notebook PCs that can read and write to HD DVD, standard DVD and CD discs. Sample shipments of the new drive, SD-L902A, are scheduled to start by the end of ...

Electronics - Hardware

Oct 02, 2006 1.6 / 5 (14) 0

A severe storm that occurred in the Gulf of Alaska in October 2005 generated an ocean swell that six days later broke apart a giant iceberg floating near the coast of Antarctica, more than 8,300 miles away. ...

Space & Earth - Earth Sciences

Oct 02, 2006 4.3 / 5 (50) 0

As the U.S. Food and Drug Administration narrows the search for the cause of a nationwide outbreak of E. coli 0157:H7 tied to bagged spinach, a specialist in Penn State's College of Agricultural Sciences said the incident ...

Medicine & Health - Diseases, Conditions, Syndromes

Oct 02, 2006 4.7 / 5 (7) 0

Researchers at Ohio University have created an improved magnetic semiconductor that solves a problem spintronics scientists have been investigating for years.

Physics - General Physics

Oct 02, 2006 4.9 / 5 (29) 0

NASA is marking a historic moment in the life of the nation's largest rocket engine test complex. The Stennis Space Center conducted the final space shuttle main engine test on its A-1 Test Stand on Friday, ...

Space & Earth - Space Exploration

Oct 02, 2006 3 / 5 (6) 0

In a powerful demonstration of how to build a multifunctional, smart nanoscale drug delivery system, researchers at the University of Basel have created a drug-loaded nanocontainer that targets specific cells and releases ...

Nanotechnology - Bio & Medicine

Oct 02, 2006 4.3 / 5 (20) 0

Good things may indeed come in small packages for scientists eager to find natural substances to help cure diseases. The challenge is to analyze material that is smaller than the proverbial gnat’s eyelash.

Biology -

Oct 02, 2006 3.7 / 5 (3) 0

If you've had a heart attack or stroke, paramedics, doctors, and nurses follow standardized protocols for what to do right away, and their efforts improve your odds for a full recovery. That's not the case if you have a body-wide ...

Medicine & Health - Diseases, Conditions, Syndromes

Oct 02, 2006 4.3 / 5 (3) 0

The larvae of Antarctic midges never stop producing special proteins that minimize environmental stress, allowing them to withstand a range of intense environmental conditions in one of the world's harshest environments.

Biology -

Oct 02, 2006 4.2 / 5 (5) 0

The 20-year restoration of Michelangelo's frescoes on the ceiling of the Sistine Chapel has left visitors in awe of the work's original majesty--notably the brilliance of the blue that graces the Last Judgment's sky. Recent ...

Physics - Condensed Matter

Oct 02, 2006 4.1 / 5 (7) 0

Magnificent stone sculptures of Classic Maya culture (AD 250-900) have long fascinated archaeologists and the general public alike. But what did the scenes depicted in these monuments mean in their society? ...

Other Sciences - Archaeology & Fossils

Oct 02, 2006 2.3 / 5 (3) 0

For all their ease and convenience, there are few things more wasteful than digital cameras. They're loaded with pricy microprocessors that chew through batteries at a breakneck pace, crunching millions of ...

Technology - Engineering

Oct 02, 2006 4.5 / 5 (75) 0

Flash those pearly whites in a dazzling smile and you showcase a natural light collector mechanism hidden inside the internal structure of dentin - the hard, bone-like material that forms the main part of teeth.

Chemistry -

Oct 02, 2006 4.3 / 5 (17) 0