Volcanic eruptions wiped out ocean life 93 million years ago
Space & Earth / Earth Sciences
Jul 16, 2008 |
3.8 / 5 (38) |
8
University of Alberta scientists contend they have the answer to mass extinction of animals and plants 93 million years ago. The answer, research has uncovered, has been found at the bottom of the sea floor where lava fountains ...
Using magnetic nanoparticles to combat cancer
Nanotechnology / Bio & Medicine
Jul 16, 2008 |
4.5 / 5 (21) |
1
Scientists at Georgia Tech have developed a potential new treatment against cancer that attaches magnetic nanoparticles to cancer cells, allowing them to be captured and carried out of the body. The treatment, ...
A new way to weigh giant black holes
Jul 16, 2008 |
4.6 / 5 (23) |
4
How do you weigh the biggest black holes in the universe? One answer now comes from a completely new and independent technique that astronomers have developed using data from NASA's Chandra X-ray Observatory.
Quantum Rod System May Safely 'Sneak' Drugs, Diagnostics into Brain
Nanotechnology / Bio & Medicine
Jul 16, 2008 |
4.5 / 5 (11) |
3
(PhysOrg.com) -- A unique nanoparticle system developed by University at Buffalo scientists takes advantage of the versatility of bioconjugated quantum rods to ferry novel diagnostic and therapeutic agents ...
Researchers reveal widespread, hardworking water on ancient Mars
Space & Earth / Space Exploration
Jul 16, 2008 |
4.7 / 5 (27) |
6
(PhysOrg.com) -- For decades, scientists have theorized romanticized, even that Mars has harbored water. The evidence has grown stronger as recent missions to the Red Planet have revealed in stunning detail ...
Phoenix Rasps Frozen Layer, Collects Sample
Space & Earth / Space Exploration
Jul 16, 2008 |
4.4 / 5 (19) |
6
(PhysOrg.com) -- A powered rasp on the back of the robotic arm scoop of NASA's Phoenix Mars Lander successfully drilled into the frozen soil and loosened material that was collected in the lander's scoop.
Democracies with separation of powers less likely to stop using torture
Jul 16, 2008 |
2.3 / 5 (24) |
11
A system of checks and balances in government is usually regarded as a good thing, except when it comes to the probability that a nation will stop its use of government-sanctioned torture, according to a Florida State University ...
Semantics gives the web meaning -- for machines
Technology / Computer Sciences
Jul 16, 2008 |
3.7 / 5 (6) |
0
(PhysOrg.com) -- Where would we be without the web? It is such an immense and rich source of information; we feel that every answer is out there. All it takes is a bit of searching...
Study shows increased education on nanotech, human enhancement increases public concerns
Nanotechnology / Bio & Medicine
Jul 16, 2008 |
4 / 5 (4) |
0
Educating the public about nanotechnology and other complex but emerging technologies causes people to become more "worried and cautious" about the new technologies' prospective benefits, according to a recent study by researchers ...
New approach sheds light on ways Circadian disruption affects human health
Jul 16, 2008 |
3.1 / 5 (7) |
1
Growing evidence indicates that exposure to irregular patterns of light and darkness can cause the human circadian system to fall out of synchrony with the 24-hour solar day, negatively affecting human health ...
Genetic cause of innate resistance to HIV/AIDS
Medicine & Health / HIV & AIDS
Jul 16, 2008 |
4.5 / 5 (4) |
0
Some people may be naturally resistant to infection with HIV, the virus that causes AIDS. The results of a study conducted by Dr. Nicole Bernard of the Research Institute of the McGill University Health Centre (MUHC) bring ...
Brain scientists spot nature/nurture gene link
Jul 16, 2008 |
4.4 / 5 (16) |
1
(PhysOrg.com) -- Neuroscientists at MIT's Picower Institute for Learning and Memory found that a previously unsuspected set of genes links nature and nurture during a crucial period of brain development.
Can you be born a couch potato?
Jul 16, 2008 |
4.5 / 5 (4) |
1
The key to good health is to be physically active. The key to being active is to be born that way? The well-documented importance of exercise in maintaining fitness has created the idea that individuals can manage their ...
A Better Shot at Immunization
Jul 16, 2008 |
3.9 / 5 (7) |
3
A new immunization strategy could reduce the vaccine doses needed to protect a population from disease (and reduce the antivirus updates required to protect a network of computers) by as much as 50%.
Virtual world is sign of future for scientists, engineers
Technology / Computer Sciences
Jul 16, 2008 |
4.6 / 5 (7) |
0
Purdue University is operating a virtual environment that enables scientists and engineers to interpret raw data collected with powerful instruments called dynamic atomic force microscopes.
