New insights into centre of the Earth
Space & Earth / Earth Sciences
Aug 15, 2008 |
4.4 / 5 (30) |
2
A new observation of the very deepest part of the Earth, the solid inner core, has been reported this week in Nature. The team from the University of Bristol also observed intriguing evidence of a ‘texture’ in the ...
Engineers build mini drug-producing biofactories in yeast
Aug 15, 2008 |
4.6 / 5 (25) |
5
Researchers at the California Institute of Technology have developed a novel way to churn out large quantities of drugs, including antiplaque toothpaste additives, antibiotics, nicotine, and even morphine, using mini biofactories--in ...
True properties of carbon nanotubes measured
Nanotechnology / Nanomaterials
Aug 15, 2008 |
4.6 / 5 (22) |
3
For more than 15 years, carbon nanotubes (CNTs) have been the flagship material of nanotechnology. Researchers have conceived applications for nanotubes ranging from microelectronic devices to cancer therapy. Their atomic ...
Study Details How Platinum Nanocages 'Cook' Cancer Cells
Nanotechnology / Bio & Medicine
Aug 15, 2008 |
4.9 / 5 (21) |
2
Platinum-based anticancer agents have a long history as proven therapeutic agents, but their toxicity and short lifetime in the body and the ability of tumors to develop resistance to these drugs limit the ultimate utility ...
'Virtual archaeologist' reconnects fragments of an ancient civilization
Technology / Computer Sciences
Aug 15, 2008 |
4.4 / 5 (19) |
0
(PhysOrg.com) -- For several decades, archaeologists in Greece have been painstakingly attempting to reconstruct wall paintings that hold valuable clues to the ancient culture of Thera, an island civilization ...
Extent of inbreeding in pedigree dogs revealed in new study
Biology /
Aug 15, 2008 |
4.4 / 5 (15) |
3
The extent of inbreeding in purebred dogs and how this reduces their genetic variation is revealed in a new study by Imperial College London researchers. Inbreeding puts dogs at risk of birth defects and genetically ...
Dual-Mode Nanoparticles Image Tumors Using MRI and PET
Nanotechnology / Bio & Medicine
Aug 15, 2008 |
4.3 / 5 (14) |
0
Medical imaging represents one of the most used and useful procedures in the oncologist’s diagnostic toolkit, even though each of the most useful techniques—magnetic resonance imaging (MRI), computerized tomography x-ray ...
By amplifying cell death signals, scientists make precancerous cells self-destruct
Aug 15, 2008 |
4.6 / 5 (17) |
0
When a cell begins to multiply in a dangerously abnormal way, a series of death signals trigger it to self-destruct before it turns cancerous. Now, in research to appear in the August 15 issue of Genes & Development, Rockef ...
Big-brained animals evolve faster
Biology /
Aug 15, 2008 |
4.4 / 5 (20) |
0
Ever since Darwin, evolutionary biologists have wondered why some lineages have diversified more than others. A classical explanation is that a higher rate of diversification reflects increased ecological ...
Cassini Pinpoints Source of Jets on Saturn's Moon Enceladus
Space & Earth / Space Exploration
Aug 15, 2008 |
4.5 / 5 (29) |
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(PhysOrg.com) -- In a feat of interplanetary sharpshooting, NASA's Cassini spacecraft has pinpointed precisely where the icy jets erupt from the surface of Saturn's geologically active moon Enceladus.
Scientists Discover New Bird Species
Biology /
Aug 15, 2008 |
4.3 / 5 (13) |
0
Scientists at the Smithsonian Institution have discovered a new species of bird in Gabon, Africa, that was, until now, unknown to the scientific community. Their findings were published in the international ...
Light receptors in eye play key role in setting biological clock
Biology /
Aug 15, 2008 |
4.5 / 5 (6) |
0
Biologists at the University of Virginia have discovered a switching mechanism in the eye that plays a key role in regulating the sleep/wake cycles in mammals.
The Realm of Earthworms: NASA Gets Down to the Nitty-Gritty
Space & Earth / Earth Sciences
Aug 15, 2008 |
4 / 5 (2) |
0
When you hear the word "NASA," do visions of rocket ships dance in your head? Well think again. From now on, it's "earthworms."
New book tutors future presidents and public on science behind the headlines
Aug 15, 2008 |
4.3 / 5 (11) |
2
In the event of a standoff between the United States and Iran over uranium enrichment, would Barack Obama, if elected president, know enough about the physics of nuclear weapons to assess the threat? In leading the nation ...
Personalized immunotherapy to fight HIV/AIDS
Medicine & Health / HIV & AIDS
Aug 15, 2008 |
4 / 5 (6) |
0
For a long time, the main obstacle to creating an AIDS vaccine has been the high genetic variability of the HIV virus. Dr. Jean-Pierre Routy and his team from the Research Institute of the McGill University Health Centre ...
