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Science News Archive 2007


Page 89 of 203

Synchrotron could help save the Tassie devil

Scientists at CSIRO Australia are exploring the use of a new synchrotron to detect biochemical changes in Tasmanian devil hair that could indicate facial tumour disease. This could lead to the development of an early detection test, making quarantine strategies more efficient and effective.

USC law professor battles schizophrenia

Elyn Saks, a highly successful academic, has battled schizophrenia since adolescence. Despite hiding her illness, she has published a memoir and now advocates for mental health awareness, hoping to reduce stigma.

Diagnosing obesity prompts action, report Mayo Clinic physicians

Mayo Clinic physicians found that obese patients who received an obesity diagnosis were more likely to form a weight loss management plan than those without a diagnosis. The study highlights the importance of proactive discussion between physicians and patients about obesity, a risk factor for diabetes and cardiovascular diseases.

Apple iPhone 17 Pro

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

Native fruits bear sweet antioxidants

Twelve native Australian fruits have been found to be exceptional sources of antioxidants, surpassing blueberries in radical scavenging activities. The study confirms the potential of Australia's native food industry, estimated to be worth $14 million annually, with research aimed at developing new phytochemicals for use in foods.

COX-2 inhibitors delay pancreatic cancer precursors in mice

Researchers found that nimesulide, a COX-2 inhibitor, delayed the development of precancerous pancreatic lesions in mice by 90%, potentially offering a new approach to preventing pancreatic cancer in high-risk populations. The study suggests that inhibiting COX-2 may help slow or prevent the progression of pancreatic cancer.

Fluke 87V Industrial Digital Multimeter

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

Medical residents score poorly in diagnosing and managing tuberculosis

A survey of 131 medical residents found that they scored poorly in diagnosing and managing tuberculosis, with a median score of just 55 percent. Despite this, most residents understood the main facts about how the disease is transmitted, highlighting the need for improved training in outpatient settings.

3-D brain centers pinpointed

Studies with monkeys reveal that specific parietal cortex areas process distinct aspects of 3D space, including depth structure and two-dimensional shape. These findings provide insights into the neural basis of primate visual perception and manipulation of objects.

Developing a more effective vaccine for tuberculosis

Researchers have discovered a new vaccine strategy that effectively protects mice and guinea pigs from tuberculosis, targeting immune cells known as CD8+ T cells. The study suggests a potential breakthrough in developing a more effective vaccine for all individuals, including adolescents and adults.

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.

Orangutans' communication resembles a game of 'charades'

Captive orangutans intentionally modify or repeat hand signals based on success or failure, signaling their comprehension level. They adjust their strategy depending on whether they are partially or completely understood, aiming to achieve a shared understanding.

Meta Quest 3 512GB

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

Study compares specialty orthopedic and general hospitals

A new study by researchers at the University of Iowa found that specialty orthopedic hospitals have a 40% lower risk of complications compared to general hospitals for Medicare patients undergoing hip or knee replacement. Despite admitting fewer complex cases, specialty hospitals still exhibit better outcomes.

Study shows cigarette additives could be making it

A recent study by UCLA researchers found that at least 100 of the 599 documented cigarette additives have pharmacological effects, including enhancing or maintaining nicotine delivery. The study highlights a need for regulation of these additives to address concerns over addictiveness and environmental impact.

JCI table of contents: August 1, 2007

Researchers developed a new vaccine strategy that uses a protein-free M. Tuberculosis strain to activate immune cells, providing increased protection against TB. A study found that vaccination with this strain provided better protection than the existing BCG vaccine.

The memory of water is a reality

Scientists from around the world present convergent views on the 'memory of water' concept, which suggests that water can display memory effects. Researchers found large-scale structural changes in liquid water, potentially accounting for claims of memory of water effects.

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.

Music hath charms to probe the brain's auditory circuitry

The study explores how the brain processes musical movements and transitions, finding two distinct networks involved in perceiving these events. The ventral region detects salient events, while the dorsal region focuses attention on event boundaries, forming a tightly coupled network that maintains attention during movement transitions.

ESA announces 2007 award recipients

The Ecological Society of America recognizes Daniel Laughlin, Carolyn Kurle, Paul Fine, Jordi Bascompte, and Carol Brewer for their outstanding contributions to ecology. The awards honor excellence in research, education, and corporate sustainability.

Handicapping tuberculosis may be the way to a better vaccine

A genetically altered strain of tuberculosis has been developed that elicits a stronger immune response than the current vaccine, improving survival of infected animals. The new vaccine may help replace BCG, which is largely ineffective, and could lead to significant reductions in TB-related mortality.

Alaskan earthquake in 2002 set off tremors on Vancouver Island

Researchers have found clear evidence that a major Alaskan earthquake in 2002 triggered tremor episodes on Vancouver Island, revealing the presence of slow-slip events in a subduction zone. The tremors were measured by seismometers and lasted about 15 seconds, providing valuable insights into the rupture process.

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.

New strategy for treating allergic disorders

VIB researchers have discovered that oral intake of allergens via the lactic acid bacterium Lactococcus lactis can treat various autoimmune and allergic disorders. This innovative strategy, patented by VIB, is being developed into biopharmaceutical medicines by ActoGeniX.

Purdue 'milestone' a step toward advanced sensors, communications

Researchers at Purdue University have developed a technique to precisely control the spectral properties of ultrafast light pulses, enabling the creation of advanced optical sensors for detecting hazardous materials and pollutants. The technique, called optical arbitrary waveform generation, also has potential applications in ultra-sen...

Aggressive therapy best for certain AML patients

A new study suggests that acute leukemia patients with a specific genetic mutation may benefit from aggressive therapy to extend their disease-free survival. Researchers found that treating patients with the MLL-PTD mutation with an autologous stem cell transplant significantly reduced early relapses.

Cell damage caused by brushing may help keep gums healthy

Research at the Medical College of Georgia found that regular brushing can cause minor cell damage, leading to increased calcium influx and triggering internal membrane repair. This process may promote gum health by stimulating collagen growth and strengthening tissue response to mechanical stress.

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.

Rare example of Darwinism seen in action

A research team, including UC Riverside biologists, has found experimental evidence supporting a theory of genetic conflict in the reproduction of fish that bear placentas. The conflict is likened to an

Circumstellar space: Where stars are born

In the circumstellar environment, newly formed elements make compounds and life takes off for the first time. The shells around dying stars enable a chemistry that produced grains older than our sun itself.

Scientists move closer to bio-engineered bladders

Researchers at the University of York have developed urothelial cell sheets that regenerate to repair damage, paving the way for engineered bladders. Pharmaceutical companies will soon be able to test therapies using these models.

National blood donor pool significantly smaller than previously thought

A new study reveals that only 37% of the US population is eligible to donate blood, with approximately 60 million fewer individuals being eligible than previously thought. The lower donor pool estimate is based on a more stringent model that excludes high-risk individuals and those with chronic diseases.

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.

Measuring nectar from eucalypts

A study found that mature forest produces almost 10 times as much sugar per hectare than recently logged forest, but overall honey yields are still high due to extensive flowering. Nectar production in young trees regrowing after logging is not significantly affected, contradicting beekeepers' concerns.

Chickens dieting to help Delaware waterways

Researchers at the University of Delaware have confirmed that a natural enzyme called phytase has helped Delaware chickens digest more phosphorus, reducing output in chicken manure. As a result, phosphorus loads to the environment have been reduced by some 2 million to 3 million pounds per year.

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.

Nanotechnology helps scientists make bendy sensors for hydrogen vehicles

Researchers at Argonne National Laboratory have developed flexible hydrogen sensors using single-walled carbon nanotubes, exhibiting high sensitivity and fast response time. The sensors can detect 1% hydrogen concentration in room temperature within 3 seconds and withstand bending and relaxation multiple times.

Climate change threatens Siberian forests

A University of Leicester study found that climate change contributes to forest fires in Central Siberia, with temperatures rising by almost two degrees Celsius. The changing climate has led to an earlier onset of spring, affecting the timing of plant growth and carbon uptake.

Screening for fragile skin

Australian White Dorper breeders are utilizing a newly developed DNA test to identify and manage the genetic disorder dermatosparaxis, which causes extreme skin fragility. The disease has been reported in other breeds and can result in death or euthanasia if left unchecked.

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.

Defining the active site of Bax

Scientists at the University of Nebraska Medical Center have discovered the long-sought-after homo-oligomerization domain of Bax, a key regulator of apoptosis. This finding provides new insights into the protein's structure and function.

UF to lead research on life-threatening fungus

The University of Florida is leading a $9 million NIH-funded research project to better understand the life-threatening Aspergillus fungus, which affects cancer patients and transplant recipients. The repository will support research on developing accurate tests for detection, with goals to improve diagnostic accuracy and speed.

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.

Under magnetic force, nanoparticles may deliver gene therapy

Researchers have developed a biodegradable nanoparticle delivery system that uses magnetic forces to target specific cells in the body. The system has shown promise in reducing cell proliferation and delivering anti-growth genes to stents, which could help maintain blood flow.

Reducing inflammation plays key role in type 1 diabetes therapy

A new triple combination therapy has been successful in abolishing adverse autoimmunity against insulin-producing cells in a mouse model of Type 1 diabetes. The treatment eliminated inflammation and restored normal blood glucose levels by blocking its effects on fat and muscle tissues.

Why do people have sex?

A comprehensive study by University of Texas researchers reveals 237 complex motivations for human sex, including physical, emotional, and insecurity-based factors. The findings challenge common assumptions about the simplicity of human sexuality.

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 therapy rescues motor neurons in ALS model

A team of scientists at the University of Wisconsin-Madison has shown that stem cells engineered to secrete a key growth factor can protect motor neurons characteristic of amyotrophic lateral sclerosis (ALS), but not restore muscle connections. The study demonstrates promise for cell-based therapies in diseases with few treatment options.

Reading a face is tricky business

A Northwestern University study found that electrical activity in the brain is altered within 200 milliseconds when viewing subliminal emotional expressions, leading to biased ratings of facial expressions. Those with anxiety tend to exhibit stronger brain responses to fear-primed expressions.

Investigating antibiotic use in acute care patients

Research by Dr James Chin and colleagues reveals that antibiotics not only kill bad bacteria but also maintain a pool of resistant genes within microbial communities. This means that subsequent therapy with another antibiotic may be ineffective due to increased resistance.

Displaced adolescent girls benefit from group therapy

Researchers found group interpersonal psychotherapy effective in reducing depressive symptoms among adolescent girls affected by war and displacement. In contrast, the same treatment was less effective for boys. The study suggests that additional interventions may be needed to address depression and anxiety in boys.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

High rates of PTSD and depression found among adults displaced by war in Uganda

A survey of adults displaced by war in northern Uganda found high rates of posttraumatic stress disorder (PTSD) and depression. The study also showed that individuals with PTSD symptoms were more likely to favor violent means to end the conflict, while those with depression symptoms were less likely to identify nonviolence as a solution.

Researchers find older folks don't get the joke

Older adults experience cognitive decline that affects their ability to comprehend humor, according to Washington University researchers. However, this decline does not mean they cannot understand humor, and previous experiences, preferences, and personality play a significant role in humor comprehension.