Frontpage » 10/31/2007 » page 4 »

Archive: 10/31/2007

US government delays nanotechnology safety measures

Want to buy a bag of carbon nanotubes—in quantities from a few grams to hundreds of kilograms (100 kilograms = approximately 220 pounds)? With a credit card and Internet access, you can. But is the U.S. government doing enough ...

Nanotechnology / Bio & Medicine

created Oct 31, 2007 | popularity 4.4 / 5 (5) | comments 0

Opium and marijuana research go underground

The world’s leading expert on the opium poppy has joined forces with researchers working on another infamous drug-producing plant – cannabis – in hopes of finding new uses for the much-maligned sources of heroin and marijuana.

Biology /

created Oct 31, 2007 | popularity 4.7 / 5 (3) | comments 1

Old drugs need 'repurposing' for new uses, physician says

Overly restrictive intellectual property laws devalue the "repurposing" of existing medications for new uses, slowing their availability as life-saving treatments, a Portland researcher contends.

Medicine & Health / Medications

created Oct 31, 2007 | popularity 4.8 / 5 (12) | comments 1

Time to overhaul Newton's theory of gravitation? Galaxy cluster models cast doubt on dark matter

For almost 75 years, astronomers have believed that the Universe has a large amount of unseen or ‘dark’ matter, thought to make up about five-sixths of the matter in the cosmos. With the conventional theory of gravitation, ...

Physics / General Physics

created Oct 31, 2007 | popularity 4.4 / 5 (107) | comments 18

Study finds genes behind alcohol sensitivity in fruit flies

Some fruit flies can drink others under the table. Now, scientists at North Carolina State University have a few more genetic clues behind why some flies are more sensitive to alcohol than others. And the results might lead ...

Biology /

created Oct 31, 2007 | popularity 4 / 5 (4) | comments 0

China to build new rocket series

China, encouraged by its first lunar orbiter launch, plans to build a new series of bigger rockets to carry heavier satellites, it was reported Wednesday.

Space & Earth / Space Exploration

created Oct 31, 2007 | popularity 4.3 / 5 (7) | comments 0

Scientists treat cancer as an infectious disease -- with promising results

Researchers at the Albert Einstein College of Medicine of Yeshiva University have shown for the first time that cancers can be successfully treated by targeting the viruses that cause them. The findings, published in the ...

Medicine & Health / Cancer

created Oct 31, 2007 | popularity 4.6 / 5 (40) | comments 0

Underestimation of frog numbers causes concern

Frogs are vanishing from all the world's ecosystems with unprecedented speed. It is thought that more than 100 species have died out since 1980 alone.

Biology /

created Oct 31, 2007 | popularity 2 / 5 (2) | comments 0

New brain marker shows promise for predicting future Alzheimer's disease

Duke University Medical Center researchers have used imaging technology to identify a new marker that may help identify those at greatest risk for cognitive decline and the development of Alzheimer's disease.

Medicine & Health / Diseases, Conditions, Syndromes

created Oct 31, 2007 | popularity 4.7 / 5 (3) | comments 0

Why do so many species live in tropical forests and coral reefs?

The latest development in a major debate over a controversial hypothesis of biodiversity and species abundance is the subject of a paper to be published in the 1 November 2007 issue of the journal Nature.

Biology /

created Oct 31, 2007 | popularity 4.5 / 5 (10) | comments 0

Fossil record reveals elusive jellyfish more than 500 million years old

Using recently discovered “fossil snapshots” found in rocks more than 500 million years old, three University of Kansas researchers have described the oldest definitive jellyfish ever found.

Other Sciences / Archaeology & Fossils

created Oct 31, 2007 | popularity 4.6 / 5 (19) | comments 0

Using nanotech to make Robocops

Bulletproof jackets do not turn security guards, police officers and armed forces into Robocops, repelling the force of bullets in their stride. New research in carbon nanotechnology however could give those in the line ...

Nanotechnology / Nanomaterials

created Oct 31, 2007 | popularity 4.4 / 5 (33) | comments 1


  • Pages: 1 2 3 4