New insights into centre of the Earth
Space & Earth / Earth Sciences
Aug 15, 2008 |
4.4 / 5 (30) |
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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 ...
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.
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 ...
Study Details How Platinum Nanocages 'Cook' Cancer Cells
Nanotechnology / Bio & Medicine
Aug 15, 2008 |
4.9 / 5 (22) |
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 ...
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 ...
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 ...
'Virtual archaeologist' reconnects fragments of an ancient civilization
Technology / Computer Sciences
Aug 15, 2008 |
4.4 / 5 (19) |
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(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 ...
By amplifying cell death signals, scientists make precancerous cells self-destruct
Aug 15, 2008 |
4.6 / 5 (17) |
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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 ...
Extent of inbreeding in pedigree dogs revealed in new study
Biology /
Aug 15, 2008 |
4.4 / 5 (16) |
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 ...
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 ...
A therapy for baby boomers to sleep on
Aug 15, 2008 |
4.7 / 5 (12) |
0
If you're over 55 and have spent more than a few sleepless nights, you're not alone -- insomnia affects about half of all people over 55 -- but you may also be at increased risk for physical and mental ailments.
Study finds way to prevent protein clumping characteristic of Parkinson's disease
Aug 15, 2008 |
4.9 / 5 (10) |
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Researchers at the University of Pennsylvania School of Medicine have identified a protein from a most unlikely source -- baker's yeast -- that might protect against Parkinson's disease. More than a million ...
New book tutors future presidents and public on science behind the headlines
Aug 15, 2008 |
4.3 / 5 (11) |
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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 ...
Potatoes may hold key to Alzheimer's treatment
Aug 15, 2008 |
5 / 5 (6) |
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A virus that commonly infects potatoes bears a striking resemblance to one of the key proteins implicated in Alzheimer's disease (AD), and researchers have used that to develop antibodies that may slow or prevent the onset ...
