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Science News Archive April 2009


Page 15 of 24

Feather color is more than skin deep

Researchers found carotenoids produced in the liver of Common Crossbills, contradicting previous assumptions about skin synthesis. The discovery highlights inter-specific variation in mechanisms of color production, shedding light on evolutionary pathways involved in color signaling.

Veterinary oncologists advance cancer drugs for humans and pets

Veterinary oncologists at MU's Scott Endowed Program in Veterinary Oncology participated in COTC's first trial, investigating a novel method to deliver the TNF-α gene to tumor blood vessels. The study showed a dramatic decrease in tumor size and provided insight into safe dosage for both human and canine patients.

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.

Tourette syndrome misconceptions only one battle for patients

Research published in the Journal of Developmental and Behavioural Pediatrics found that nearly 90% of Tourette syndrome cases exist in conjunction with another disorder, most frequently ADHD. Perinatal factors such as low birth weight, prematurity, and maternal smoking increase the risk of co-occurring ADHD in children with Tourette.

Prenatal meth exposure linked to abnormal brain development

A new study published in Neurology has found that prenatal methamphetamine use is associated with abnormal brain development in children. The research used MRI scans to compare the brains of 29 children exposed to meth in utero with 37 unexposed children, revealing differences in white matter structure and maturation.

At risk for kidney disease? Check your genes

Researchers have identified multiple chromosomal regions associated with genes influencing variation in proteinuria, particularly in the setting of diabetes or hypertension. The study's findings suggest that genetic variation likely accounts for part of the increased risk of kidney disease in American Indians.

Rice researchers unzip the future

Scientists at Rice University have found a way to produce ultrathin, electrically conductive nanoribbons using a room-temperature chemical process. These ribbons are made from graphene, the single-layer form of graphite, and exhibit remarkable strength and conductivity.

Alternative therapy for lupus nephritis

The study found that mycophenolate mofetil was as effective as cyclophosphamide in treating lupus nephritis, but showed better results in certain racial groups. Patients may prefer mycophenolate mofetil due to its lack of fertility side effects.

Apple iPhone 17 Pro

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

New way to analyze sleep disorders

Researchers discovered a new way to monitor sleep and potentially diagnose sleep disorders by analyzing heart rate, revealing significant relationships between cardio-respiratory synchronization patterns and sleep stages. This technique may help clinicians diagnose sleep disorders more easily and determine optimal treatments.

Brown researchers create novel technique to sequence human genome

Physicists at Brown University have introduced a novel procedure to sequence human genomes by slowing down the DNA's movement through openings using magnets. This approach allows multiple segments of a DNA strand to be threaded simultaneously through numerous tiny pores, enabling accurate reading of base pairs.

UBC researchers put a new spin on electrons

Researchers at the University of British Columbia have successfully controlled the spin of electrons using a ballistic technique, eliminating the need for external electric or magnetic fields. This breakthrough could lead to more powerful and energy-efficient electronic systems, including quantum information processing devices.

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.

Tentacles of venom: New study reveals all octopuses are venomous

A new study by researchers from the University of Melbourne and others has found that all octopuses possess venomous capabilities, with a common ancient ancestor producing specialized proteins. The team's findings also highlight the importance of cephalopod venoms in drug development for conditions such as pain management and allergies.

Energy drinks work -- in mysterious ways!

Researchers found that sugary drinks and tasteless carbohydrates can significantly improve endurance event performance. Athletes given glucose or maltodextrin drinks outperformed those on 'disguised' water by 2-3%.

Scaling the wall of deafness

A new study by Prof. Karen Avraham at Tel Aviv University has discovered that microRNAs are involved in the development of deafness, opening up new avenues for treatment and potential cure. The researchers found that microRNAs help regulate cell functions in the ear, and their loss can lead to progressive hearing loss.

Low glycemic breakfast may increase benefits of working out

Consuming a low-glycemic breakfast before exercise may boost fat oxidation during and after physical activity. A recent study found that this type of pre-exercise meal increased fat metabolism in sedentary individuals, potentially aiding in weight loss efforts.

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.

Minimizing the spread of deadly Hendra virus

A groundbreaking CSIRO study has defined the period when horses are most likely to shed Hendra virus, enabling early diagnosis and prevention of transmission. This breakthrough aims to reduce the risk of spread to both humans and susceptible horses.

Fluke 87V Industrial Digital Multimeter

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

Plant gene mapping may lead to better biofuel production

Researchers at Brookhaven National Laboratory have created a 'family tree' of genes expressed in woody and herbaceous plants, uncovering clues for engineering plants more efficient for biofuel production. They identified 94 and 61 genes that may carry the genetic instructions for making enzymes controlling cell-wall modification.

Argonne's Leadership Computing Facility working to get more science per watt

Researchers at Argonne's Leadership Computing Facility are continually seeking ways to further reduce the power needed to operate supercomputers. By leveraging the Chicago area's cold climate to chill water used for cooling, they save up to $25,000 per month in electricity costs. The team is also experimenting with varying chilled wate...

Findings show insulin -- not genes -- linked to obesity

Researchers at Purdue University have discovered that insulin processing, rather than genetic factors, plays a crucial role in determining how cells store fat. The study used single-cell profiling techniques to examine the relationship between insulin signaling and fat storage in genetically identical cells.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

R U learning?

A pilot study is testing the effectiveness of text messaging as a medium for delivering HIV prevention education to at-risk teens. The study, funded by the National Institutes of Health, uses a Centers for Disease Control and Prevention-approved curriculum and involves sending text, image, and video material to teen participants.

Statins reduce stroke risk by 1/5

The study found that statin use is associated with a significant reduction in stroke risk, with each 1 mmol/L decrease in LDL cholesterol resulting in a relative risk reduction of 21%. Statins also have additional benefits for cardiovascular health, including lowering blood pressure and reducing inflammation.

Duke physicists see the cosmos in a coffee cup

Researchers found that the 'caustic curve' shape, seen in sunlight reflections on water or boat hulls, is connected to gravitational lensing effects in distant galaxies. The discovery could enable scientists to map dark matter clumps using caustic violations.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Study confirms 3 Neanderthal sub-groups

Researchers confirm the existence of three separate Neanderthal sub-groups in Western Europe, southern Europe, and the Levant, with a fourth group found in western Asia. The study suggests that climate conditions played a significant role in shaping the population's geographical distribution.

MSU researcher develops E. coli vaccine

A MSU researcher has developed a working vaccine for Enterotoxigenic E. coli, responsible for 60% of all E. coli diarrheal disease. The vaccine could save untold lives and also provide relief from post-operative complications such as paralytic ileus and urinary retention.

The role of inbreeding in the extinction of the Spanish Habsburg dynasty

Researchers analyzed genetic data and found a high frequency of inbreeding among Habsburg rulers, leading to a significant increase in health problems and infant mortality. The study suggests that inbreeding was a major factor in the decline and eventual extinction of the Spanish Habsburg dynasty.

Spit, anyone?

US Department of Homeland Security scientist Mark Nicas builds mathematical models of spittle dispersal to inform countermeasures against potential biological attacks and pandemics. His research aims to reduce the risk of infection transmission on airplanes and in other public spaces, advising people to sit at least three rows away fro...

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Stem cell transplantation helps patients with diabetes become insulin free

A study found that stem cell transplantation significantly increased C-peptide levels and improved glycemic control in patients with type 1 diabetes, leading to prolonged insulin independence. The treatment has the potential to reverse type 1 DM in humans, but further studies are needed to confirm its role.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Fatty liver disease: The next big thing

Research connects poor fitness to non-alcoholic fatty liver disease (NAFLD), highlighting a crucial link between obesity-related illnesses. Exercise may potentially treat or prevent NAFLD by protecting against metabolic diseases.

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.

Nebraska Mathematics Department receives AMS national award

The Nebraska Mathematics Department received the 2009 American Mathematical Society Award for an Exemplary Program or Achievement in a Mathematics Department. The department's innovative programs, such as mentoring women PhD students and promoting math education, have had a profound effect on the discipline.

A cure for honey bee colony collapse?

Researchers discovered Nosema ceranae, a Microsporidia parasite, is the primary cause of honey bee colony depopulation syndrome in professional apiaries. Treating infected colonies with flumagillin resulted in complete recovery.

Signals from stroking have direct route to brain

Researchers found a specialized nerve fiber in skin that transmits stroking signals directly to the brain, potentially explaining why touching can relieve pain. The study used microneurography to analyze nerve signals and found that increased frequency of these signals led to increased pleasantness.

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.

People's misperceptions cloud their understanding of rainy weather forecasts

A new study from the University of Washington found that people's understanding of rainy weather forecasts is hindered by misconceptions about probability and uncertainty. Researchers tested over 450 college students and found that many incorrectly assumed deterministic forecasts, leading to unnecessary precautions.

Scientists discover way to jumpstart bone's healing process

Researchers have made a groundbreaking discovery in the treatment of bone injuries, using teriparatide to jumpstart the body's natural healing process. The study shows significant healing and pain control in patients with unhealed bone fractures, offering new hope for those with no effective treatment options.

Researchers study signaling networks that set up genetic code

Researchers at the University of Illinois have identified and visualized signaling pathways in protein-RNA complexes to understand how the genetic code is set in all organisms. The study uses molecular dynamics simulations and visualization software to analyze the optimal communication pathways, revealing modules and local communities ...

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.

Biofuels could hasten climate change

A new study reveals that biofuels could hasten climate change due to the destruction of tropical rainforests. The study found that it will take over 75 years for carbon emissions saved through biofuel use to compensate for the carbon lost when these forests are converted into plantations.

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.

Eat, drink and be merry?

Research finds that fast food and soft drinks contribute to childhood obesity, but paradoxically also reduce unhappiness. The study highlights the need for policies and programs that balance children's physical health with their emotional well-being.

'Natural' nitrogen-fixing bacteria protect soybeans from aphids

Researchers found that soybean plants colonized with naturally occurring rhizobia had lower aphid densities than those with commercial or artificially fertilized plants. The plants produced the same level of nitrogen regardless of the type of rhizobia used, suggesting a potential tool for protecting plants from insect herbivory.