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Updated: 1 hour 58 min ago
A team of researchers has devised a novel nuclear magnetic resonance imaging technique that delivers a roughly 10-nanometer spatial resolution. This represents a significant advance in MRI sensitivity -- modern MRI techniques commonly used in medical imaging yield spatial resolutions on the millimeter length scale, with the highest-resolution experimental instruments giving spatial resolution of a few micrometers.
New research could offer solutions into slowing down the progression of motor neuron disease.
It's often said that the HIV/AIDS epidemic has a woman's face. The proportion of women infected with HIV has been on the rise for a decade; in sub-Saharan Africa, women constitute 60 percent of people living with disease. While preventative drugs exist, they have often proven ineffective, especially in light of financial and cultural barriers in developing nations. A new intravaginal ring filled with an anti-retroviral drug could help. The ring is easy to use, long lasting, and recently has demonstrated a 100 percent success rate protecting primates from the simian immunodeficiency virus (SHIV). The device will soon undergo its first test in humans.
Copies of the DNA exit the nucleus to be read and translated into proteins in the cell cytoplasm. The transit between the nucleus and the cytoplasm takes place through the nuclear pores, genuine "customs agents" that monitor the import-export between these two compartments. Researchers have just discovered how nuclear pores also regulate the production speed of these DNA copies.
Contrary to perceptions shaped by media coverage and public discussion, the number of children in immigrant families is not the primary reason more children are living in poverty, a new study has found, raising the question of whether federal policies impacting immigrants should be significantly altered.
Infants show strong universals as they acquire their native language, but a recent study with infants acquiring Korean also reveals that there are striking language differences. A new study provides the first ever evidence comparing how infants (monolingual, from Korea) acquiring Korean learn new nouns and verbs.
Scanning the DNA of nearly 5,000 tumor samples, a team led of scientists has identified 140 regions of scrambled genetic code believed to contain many undiscovered cancer genes. Mapping of the abnormal regions gives cancer scientists a starting point from which to search for as-yet undiscovered oncogenes and broken tumor-suppressor genes.
In a first-of-its-kind study to evaluate the impact of a medical specialty on patient outcomes, researchers found that hospitalized patients with severe infections such as meningitis and Clostridium difficile are significantly less likely to die if they receive care from an infectious diseases specialist. The study analyzed nearly 130,000 Medicare patient cases.
Builders are rather uncommon among adult leaf beetles though young ones of certain species use own feces to construct a defensive shield. Two closely related, hitherto unknown species of tiny southern Indian leaf beetles, only slightly larger than the size of a pin-head, and their clever way of using and modifying low cost shelters, have now been described.
A diagnosis of multiple sclerosis (MS) is a hard lot. Patients typically get the diagnosis around age 30 after experiencing a series of neurological problems such as blurry vision, wobbly gait or a numb foot. From there, this neurodegenerative disease follows an unforgiving course.
Scientists have developed an accurate 3-D model of streamer propagation that qualitatively and quantitatively describes the streamer development, an advance that may impact applications such as medical imaging, aerospace engineering, power transmission, atmospheric sensing, natural sciences, sensing technologies and large-scale industry.
Scientists have devised an alternative means of creating high-power white light by using a different excitation source -- a laser diode in combination with inorganic phosphors, instead of the traditional LEDs.
Americans in the highest socio-economic groups have a 13 percent greater chance of surviving a kind of stroke known as a subarachnoid hemorrhage than those in the lowest socio-economic groups, a new study has found.
The blockage of the immune response with anti-inflammatory drugs reduced the progression of squamous cell carcinomas (SCCs). This strategy could be effective in treating up to 75 percent of human patients with SCC. The study reinforces the important role of inflammation in the development of cancers and opens up a new path for the treatment of the disease.
A professor wondered why some types of research were more apt to secure federal grants, while others -- especially exploratory science -- often didn't.
A professor is creating a computer game called Earthquake Rebuild that encourages creativity in design and uses architecture to teach geometry and other math skills.
Simple toys like blocks feed into kids' spatial skill and offer a foundation for learning subjects like math and science, according to a new study.
A robot that feels, sees and, in particular, thinks and learns like us. It still seems like science fiction, but new research hints that it could happen. Scientists are working to implement the cognitive process of the human brain in robots. A new humanoid will blur the boundaries between robot and human.
A new breast cancer screening technique is being developed that has the potential to reduce false positives, and, possibly, minimize the need for invasive biopsies. Scientists have created an MRI device that could improve both the process and accuracy of breast cancer screening by scanning for sodium levels in the breast.
Scientists have recently documented that oxygen is disappearing from seawater circulating through deep oceanic crust, a significant first step in understanding the way life in the "deep biosphere" beneath the sea floor is able to survive and thrive. The new research findings are helping to redefine our concepts of the limits of life on our planet.