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Science News Archive July 2009


Page 13 of 23

Can children outgrow chronic daily headache?

Most children with chronic daily headache can expect to improve their symptoms as they enter young adulthood. By age 8, 75% of affected children were no longer experiencing symptoms, and by 12 years old, 60% had outgrown the condition entirely.

St. Jude scientists discover a new mechanism controlling neuronal migration

Researchers identified the Myosin II-actin machinery powering neuronal migration, revealing how glial cells guide neurons to their correct place in the developing brain. This finding offers new insights into brain organization and could lead to better understanding of disorders like epilepsy and mental retardation.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Capturing CO2 in a bowl

Scientists have discovered a bowl-shaped molecule that can pull carbon dioxide out of the air, offering new possibilities for reducing greenhouse gas emissions. The molecule's unique properties make it suitable for industrial use in removing CO2 from ambient air and potentially even from living organisms.

Fossilized dung balls reveal secret ecology of lost world

Researchers studied 30 million-year-old fossil 'mega-dung' from extinct giant mammals, finding evidence of ecological interactions and theft by other animals. The study reveals a dung-based ecosystem going on under the noses of giant herbivores.

Complete fluke? Genome sequencers crack parasite genome

The complete genome sequence of Schistosoma mansoni, a parasitic worm causing devastating disease, has been published. Researchers have identified potential new drug targets and explored ways to treat and eradicate the disease.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Market-style incentives to increase school choice have opposite effect

A study by University of Illinois expert Christopher Lubienski found that market-based approaches to school choice lead to exclusionary strategies, favoring affluent students. Schools compete to attract high-need students, but often leave them marginalized, and instead target 'active families' with resources.

Osteoporosis drug may save lives by strengthening immune system

A new study suggests that an osteoporosis medication may be saving lives by strengthening the immune system. Researchers found that while the reduction in secondary fractures accounted for only 8% of the mortality benefit, the risk of mortality was still 23% lower in patients who received the drug.

Fighting drug-resistant flu viruses

Researchers discover potential drugs that block the first step in the infection process, preventing flu viruses from infecting cells. This breakthrough could lead to a new genre of antivirals and be used to develop treatments for other medical problems.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Study sheds light on social brain development

Researchers found that preschoolers' abilities to think about their social world develop with the maturation of two key brain areas. This study provides insights into the typical social brain development and clues for understanding impaired social reasoning in autism.

Keeping a 'trained eye' on the James Webb Space Telescope

Engineers at NASA Goddard and Northrop Grumman are simulating the handling of the telescope's mirror segments, which will be assembled into the Primary Mirror Assembly. The mock-up has already been beneficial in preparing for integration and test operations.

A ticking bomb: Novel UCLA procedure treats high-risk aortic aneurysms

A new procedure called CESA combines endovascular and surgical approaches to treat high-risk aortic aneurysms. The technique has shown excellent results in the first 20 high-risk patients with complex aortic pathology treated with CESA, with a cumulative survival rate of 76% at two years.

Genomes of parasitic flatworms decoded

The genomes of two parasitic flatworm species causing schistosomiasis have been sequenced, revealing potential drug targets and enzymes that can be targeted with drugs. The research may lead to new treatments for the debilitating disease.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Touch typists could help stop spammers in their tracks

Researchers have created a game called Magic Bullet to make labelling CAPTCHA images more efficient. Players can label images at a rate of up to 1,500 per hour, significantly improving the accuracy of human labels and helping to stay ahead of spammers.

University of Michigan survey: Ask permission to use newborn data, parents say

A University of Michigan survey reveals that most parents would allow researchers to use their children's newborn screening samples for research purposes if permission is obtained beforehand. However, over half of the parents surveyed said they would be very unwilling to permit use of their child's sample without granting or denying pe...

Wastewater used to map illicit drug use

The study found that methamphetamine was present in all municipalities, while MDMA was at quantifiable levels in less than half of the communities. Urban areas had significantly higher index loads of cocaine metabolite BZE, while rural areas had lower levels or none detected.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

LSUHSC awarded $1.3 million grant to develop new cancer vaccine

Researchers at LSUHSC have been awarded a $1.3 million grant to develop a new cancer vaccine targeting melanoma and breast cancer. The grant will support the creation of a novel signaling pathway in T lymphocytes, which can detect cancer and boost tumor destruction.

Environmental factors instruct lineage choice of blood progenitor cells

Researchers at Helmholtz Munich used new bioimaging techniques to show that hematopoietic progenitor cells are instructed by cytokines, steering their lineage choice. This discovery confirms the influence of environmental factors on cell differentiation and has important implications for optimizing therapeutic stem cell applications.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Scientists decode genome of deadly parasitic worm

Researchers have sequenced the genome of Schistosoma mansoni, a parasite that causes intestinal schistosomiasis, a devastating tropical disease affecting over 200 million people. The comprehensive genome sequence enables the discovery of potential drug targets and cost-effective ways to develop new therapies.

Developing a safer form of acetaminophen

Scientists have developed a more efficient method to produce a novel form of acetaminophen with reduced liver toxicity risk, offering a potential solution to the growing concern over the drug's effects.

Study reveals major genetic differences between blood and tissue cells

Researchers at McGill University discovered significant genetic disparities between blood and tissue cells, undermining the validity of genome-wide association studies. This finding has implications for vascular diseases, such as abdominal aortic aneurysms, where tissue samples are often used.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Alzheimer's risk: Would you want to know?

Researchers tested individuals with a parent with Alzheimer's disease and found that learning their genetic risk did not result in lasting psychological harm. Genetic counseling helped put the test results into context, reducing distress levels.

Who am I? Adolescents' replies depend on others

Researchers found that adolescents show more activity in neural networks tied to social cognition and self-perception when asked about themselves compared to adults. This suggests that adolescent self-appraisals depend heavily on others' opinions, particularly peers.

New genetic study of Asperger syndrome, autistic traits and empathy

A new genetic study has identified 27 genes associated with Asperger syndrome, autistic traits, and empathy. The research found that single nucleotide polymorphisms in these genes were nominally associated with autistic traits and empathy, providing preliminary leads for understanding the genetic basis of Asperger syndrome.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

DACH1 a key protein for tumor suppression in ER+ breast cancer

Researchers at Thomas Jefferson University identified DACH1 as a protein that prevents cancer cell proliferation by repressing estrogen receptors in ER+ breast cancer. As DACH1 expression decreases in breast cancer, estrogen receptor presence increases, suggesting its potential as a therapeutic target.

Brain emotion circuit sparks as teen girls size up peers

A study by the National Institute of Mental Health found that teenage girls' brains activate more in social emotion circuitry as they age, indicating a shift towards approach rather than avoidance. This may reflect resilience to psychosocial stress among healthy female adolescents.

Duke, UNC scientists create entirely new way to study brain function

Researchers have devised a chemical technique to discover brain function and provide clues for treating brain diseases. The technique allows neuroscientists to noninvasively activate entire populations of neurons in an animal brain, promoting understanding of brain function and disease treatment.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

New insect on Balearic Islands

Scientists have identified a distinct new species of insect, Tyrrhenoleuctra antoninoi, living on the Balearic Islands. The study reveals genetic differences between this population and others found in the Western Mediterranean region.

'Sloppier copier' surprisingly efficient

Researchers describe an exquisitely efficient process for DNA repair, revealing the key attributes of the 'sloppier copier' enzyme and its crucial role in conserving energy. The study also solves two other mysteries about the mechanics of DNA repair.

UM Rosenstiel School's Aplysia summer research program heats up

The UM Rosenstiel School of Marine, Atmospheric, and Earth Science has received a $82,128 American Recovery and Reinvestment Act stimulus grant to enhance its Aplysia summer research program. The program will provide hands-on training to undergraduate students and middle/high school science teachers in sea hare research, improving egg ...

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Classifying 'clicks'

Researchers used high-speed ultrasound imaging to categorize N|uu clicks, a series of consonants distinct to southern Africa's Kalahari Desert. This breakthrough could change how linguists describe click languages and aid speech scientists in understanding speech production.

LSUHSC's Bazan awarded ARRA grant to preserve vision

Dr. Haydee Bazan received a $710,000 grant from the National Institutes of Health to explore potential therapeutic approaches to heal corneal injuries. The research focuses on finding balance between signaling mechanisms that promote cellular damage or repair in the cornea.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Researchers map how staph infections alter immune system

In a study mapping the gene profiles of children with severe Staphylococcus aureus infections, researchers found that the innate immune response is overactivated while the adaptive immune system is suppressed. This knowledge could lead to better patient outcomes and more effective therapies.

LincRNAs serve as genetic air-traffic controllers

A recent study found that lincRNAs have a global role in genome regulation, guiding chromatin complexes to specific genomic locations. By analyzing RNA-protein interactions, researchers identified which lincRNAs are bound by chromatin-modifying enzymes and which genes are affected by their depletion.

The minerals on Mars influence the measuring of its temperature

Researchers confirm that Mars' surface minerals influence its soil temperature measurements using infrared spectroscopy, with significant increases and falls in reflectance values. This study has implications for NASA's Mars Science Laboratory mission, allowing for more accurate interpretation of data from the soil temperature sensor.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Drug rescues memory lost to Alzheimer's disease

A study found that a drug similar to one used for rheumatoid arthritis and psoriasis can rescue memory in mice with Alzheimer's symptoms. The drug, PMX205, prevented inflammation in brain regions with amyloid plaques, which accelerates neuron damage.

First near-total human face transplant for a severely disfigured patient

A groundbreaking surgery has enabled Connie Culp to regain facial function and appearance after being shot in the face with a shotgun. The procedure involved a 22-hour operation to connect donor tissues to her disfigured structures, resulting in restored smell, eating, drinking, and intelligible speech.

New technique could sustain cancer patients' fertility

Researchers have developed a method to advance undeveloped human eggs to near maturity in laboratory cultures, paving the way for women with cancer to preserve their fertility after treatment. The technique focuses on the follicle and avoids concerns related to freezing ovarian tissue.

Flexible neck in cell-receptor DC-SIGN targets more pathogens

Researchers discovered that flexibility in DC-SIGN's neck region allows it to recognize a broader range of pathogens, including Ebola, Dengue fever, and HIV. This flexibility enables the protein to adapt to different target surfaces, maximizing bond strength.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.