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Science News Archive March 2009


Page 20 of 26

Spinning carbon nanotubes spawns new wireless applications

Scientists at the University of Cincinnati have discovered new uses for spun carbon nanotube fibers, which exhibit high tensile strength and conductivity. The team found that these fibers can be used to create lightweight and efficient antennas for wireless communication, with potential applications in aerospace industries.

Lobster traps going high tech

Lobster traps equipped with temperature sensors provide valuable data on ocean circulation and processes in the Gulf of Maine. The eMOLT program, a collaboration between NOAA, lobstermen, and marine science students, aims to improve our understanding of ocean currents, pollution dispersal, and marine life distribution.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Feeling down and out could break your heart, literally

Research suggests that depression can increase the risk of sudden cardiac death and fatal coronary heart disease in women. Women with more severe depressive symptoms or those who reported taking antidepressants were at higher risk for these events.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Gene therapy shows early promise for treating obesity

Researchers at Ohio State University Medical Center have discovered a gene, BDNF, that can improve insulin sensitivity, reduce fat mass, and lead to weight loss when active in the hypothalamus. The study involves injecting the gene into mice and shows promising results for treating obesity.

Oh, my aching back: Give me a shot of ozone

Researchers found that ozone treatment can relieve herniated disk pain by reducing disk volume, resulting in improved pain and function outcomes. The treatment's complication rate is less than 0.1 percent and recovery time is significantly shorter compared to surgery.

American carnivores evolved to avoid each other, new study suggests

A large-scale analysis of over 80 terrestrial carnivore species in the Americas shows that avoidance strategies have driven their evolution. The study found that some species use coloration to warn predators, while others occupy different habitats or are active at different times.

A new view of oceanic phytoplankton

Phytoplankton in tropical and subtropical seas use non-phosphorus containing 'substitute lipids' that utilize sulfur instead of phosphorus, allowing them to continue growing under phosphorus stress conditions. This unique strategy has implications for the future structure and biodiversity of Hawaiian marine ecosystems.

Apple iPhone 17 Pro

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

Freezing prostate cancer does a man's body good

Focal cryoablation, a minimally invasive treatment, is as effective as surgery in destroying diseased tumors and can be considered a first-line treatment for patients of all risk levels. The use of 3-D transperineal mapping biopsy heavily impacted how patients' disease was managed in 70 percent of cases.

Aphids borrowed bacterial genes to play host

Research published in BMC Biology reveals that aphids acquired symbiotic genes from another species of bacteria via lateral gene transfer. The association between aphids and Buchnera is over 100 million years old and has evolved so that neither the bacteria nor the host can reproduce without the other.

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: Many terminally ill patients feel abandoned by their doctors

A new study published in the Archives of Internal Medicine found that many terminally ill patients feel abandoned by their doctors due to a lack of continuity and closure. The study identified two themes: before death, concerns about loss of communication, and at the time of death or after, feelings of abandonment from a lack of closur...

Study prompts new mandate for N.C. high schools

A new statewide program requires automated external defibrillators (AEDs) in N.C. high schools to address inadequate emergency planning and increase use of life-saving devices. The study found that most schools lacked concise action plans, needed more AEDs, and struggled with coordinating EMS responses.

Getting into hot water

A solar water-heating system has a payback period of just two years and effectively pays for itself five times over within its twenty-year lifespan. Researchers found that solar heating is 57% of the internal rate of return compared to electrical energy approaches.

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.

Feeling down and out could break your heart, literally

Research found that relatively healthy women with severe depression are at increased risk of cardiac events, including SCD and fatal CHD. Antidepressant use was strongly associated with this risk, particularly Sudden Cardiac Death.

New insights on heart's 'fight or flight' response to stress

Researchers at University of Iowa discovered that calcium/calmodulin-dependent protein kinase II (CaM kinase II) activation can increase heart rates, contrary to traditional beta-adrenergic receptor stimulation understanding. This finding suggests inhibiting CaM kinase II function could help control heart rate problems in people with a...

What drove the cow mad? Lessons from a tiny fish

Researchers from the University of Konstanz found that normal protein PrP helps cells communicate during embryonic development. Without it, physiological abnormalities occur, and cell-to-cell contact is disrupted. This discovery may aid in understanding prion diseases and developing effective treatments.

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.

Transport behavior of E. coli varies depending on manure source

A study of E. coli transport behavior reveals significant variability among strains from different host species and sources, affecting cell properties like surface charge and hydrophobicity. Cell width is the only property correlated with transport behavior in this research.

Caltech biologists find optimistic worms are ready for rapid recovery

Researchers at Caltech found that Caenorhabditis elegans worms respond rapidly to better conditions and develop optimistic genetic strategies. The worms' quick response is controlled by a vital cellular protein called RNA Polymerase II, which accumulates on genes involved in growth and energy metabolism.

Fluke 87V Industrial Digital Multimeter

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

Coral reefs may start dissolving when atmospheric CO2 doubles

Atmospheric carbon dioxide could lead to coral reef dissolution as acidification and rising temperatures threaten global coral health. Research models predict that if CO2 levels double, most coral reefs will experience significant calcification rate reductions.

How increased UV exposure impacts plants

A recent experiment studying the effects of ultraviolet radiation on liverwort asexual propagules found that students successfully formulated and tested hypotheses about UV impact. The study aims to understand how bryophytes develop protection mechanisms against UVR, which can inform crop resilience.

Anger and hostility harmful to the heart, especially among men

A study found that anger and hostility are associated with a higher risk of coronary heart disease (CHD) in healthy individuals and poorer outcomes in patients with existing CHD. Management of psychological stressors may be an important strategy for prevention and treatment.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

The curious chromosomes of a curious fruit

Incipient sex chromosomes have been found in New Zealand's eponymous export, the kiwifruit. The genetic linkage map of the kiwifruit reveals that a subtelomeric region bears hallmarks of an early sex-determining locus.

UT Southwestern researchers probe mechanisms of infection

UT Southwestern researchers have identified a new receptor in E coli that senses stress cues from its host, triggering the release of toxins and causing disease. The discovery provides insight into how bacteria respond to stress and could lead to the development of new treatments for diseases such as sepsis.

Carnegie Mellon's Manuela Veloso wins Autonomous Agents Research Award

Manuela Veloso, a professor at Carnegie Mellon University, has won the Autonomous Agents Research Award for her influential research in artificial intelligence and robotics. Her work on robot soccer has emerged as an important tool for studying autonomous agent cooperation in complex environments.

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.

Patients being discharged against medical advice

Research shows that patients discharged against medical advice are at higher risk of morbidity and mortality, with some groups facing four-times-higher risks of readmission within 30 days. Identifying these high-risk patients is crucial, and providing informed consent can help manage the issue.

Montana State team finds Yellowstone alga that detoxifies arsenic

A Yellowstone alga has been found to detoxify arsenic through a process of oxidation, reduction, and conversion, rendering it less toxic. The discovery could have significant implications for bioremediation efforts and the potential for life to exist on other planets or moons.

JCI online early table of contents: March 9, 2009

Two studies found that SOX9 renders melanomas sensitive to retinoic acid, stopping tumor growth and offering new hope for effective treatment. Additionally, researchers identified two enzymes crucial for ureter-bladder connection during development, which may hold key to treating congenital anomalies.

Which research will help to reduce deaths from childhood diarrhea?

Childhood diarrhoea claims almost 2 million lives annually; researchers prioritize improving acceptability and effectiveness of oral rehydration solution (ORS) and designing locally adapted training programs for health workers. The top research priorities aim to optimize use of available interventions and programs.

UCF study: Hyperactivity enables children with ADHD to stay alert

A new University of Central Florida study may explain why children with attention deficit hyperactivity disorder (ADHD) move around a lot. The research found that children with ADHD become significantly more active when required to remember and manipulate computer-generated letters, numbers, and shapes for a short time.

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.

DNA differences may influence risk of Hodgkin disease

A study found that genetic variations in DNA repair genes can affect a person's risk of developing Hodgkin disease. Research suggests that differences in these genes could modify the risk of HD, with some individuals being up to four times more likely to develop the disease.

Meta Quest 3 512GB

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

Novel electric signals in plants

Researchers at the Max Planck Institute for Chemical Ecology have discovered a new electrical signal transmission system in plants called 'system potential', which is induced by wounding and can carry different information. This novel system allows plants to rapidly respond to insect herbivory and activate their defense mechanisms.

Ka-Boom!!!

The US Department of Homeland Security's Science and Technology Directorate conducted an experiment where a retired public bus was rigged with explosives and cameras were detonated to assess their durability. Fourteen out of 16 memory chips survived the blast, demonstrating potential for these cameras in mass transit security.

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.

Metastatic bone disease patients can walk in Lazarus' footsteps

Osteoplasty provides immediate and substantial pain relief for metastatic bone disease patients, often referred to as the 'Lazarus effect'. The procedure involves injecting bone cement into weakened bones, improving quality of life and allowing patients to resume daily activities.

Scientists identify the neural circuitry of first impressions

Researchers have identified two key brain regions responsible for forming first impressions, including the amygdala and posterior cingulate cortex. These regions process emotional and value-based information to form a quick and lasting impression of others.

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.