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Science News Archive April 2009


Page 3 of 24

Ka-Boom! The sequel

The US Department of Homeland Security has successfully tested new camera prototypes in a simulated bomb attack, with 14 out of 16 surviving without image degradation. The cameras were designed to be rugged and affordable for use in mass transit venues, where full surveillance systems are not feasible.

Young children think gender-related behavior is inborn

A study found that young children think about gender in a way similar to how they think about species differences. They tend to believe that certain behaviors are innate and not influenced by environment. As children grow older, they begin to understand the role of environment in shaping gender-related behaviors.

Apple iPhone 17 Pro

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

Rogue black holes may roam the Milky Way

New calculations suggest hundreds of massive rogue black holes are left over from the early universe, potentially wandering the Milky Way's outer reaches. These relics could provide clues about galaxy formation history and the formation of black holes in the early universe.

Urine screening test may one day predict coronary artery disease

A new urine screening test has shown promise in predicting coronary artery disease by identifying specific protein patterns associated with the condition. The test uses proteome analysis to detect collagen fragments found on the surface of atherosclerotic plaques, achieving an accuracy rate of 84%.

Vanderbilt engineers play key role in new DOE energy frontier research center

A new multi-million-dollar Energy Frontier Research Center announced by the White House will focus on understanding gas-liquid interactions at solid surfaces. This research has potential applications in developing more efficient batteries, solar and electrical energy conversion into fuel, improved fuel cells, and enhanced corrosion res...

Risk factors identified for pneumonia after heart surgery

A study of 971 patients found VAP accounted for almost half of nosocomial infections, with a crude mortality rate of 35%. Anticipative antimicrobial therapy may be a potential intervention to avoid VAP in mechanically ventilated patients.

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.

Drugs needed to preserve eggs for reproduction need to be given in stages

Researchers developed a mathematical model predicting optimal time for loading and unloading cryoprotectants, which reduces egg size shifts and improves fertilization chances. Using sugars like trehalose, these staged drugs can help preserve eggs at subzero temperatures, enabling easier transportation and potential transplantation.

Majority of Americans support voting reforms

A recent survey conducted by a University of Missouri professor reveals that the U.S. public supports several voting reforms, including early voting and photo identification requirements. Americans expressed strong approval for these measures, with less support for vote by mail and election day registration.

Intel named winner of 2009 INFORMS prize in analytics

Intel was awarded the 2009 INFORMS Prize for its extensive use of operations research to drive significant value and competitive advantage throughout its business. The prize recognized Intel's ability to apply O.R. techniques across various functions, resulting in over $2 billion in improved decision-making.

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.

HP wins INFORMS 2009 Edelman prize

HP's innovative use of operations research tools, including Complexity ROI Calculator and Revenue Coverage Optimization, led to significant bottom line savings and improved customer satisfaction. The company's approach has resulted in hundreds of millions of dollars in cost savings and a more streamlined product offering.

Parkinson's: Neurons destroyed by 3 simultaneous strikes

Researchers at Columbia University Medical Center found that dopamine, a calcium channel, and alpha-synuclein act together to kill brain cells in Parkinson's disease. The discovery gives hope for saving neurons and stopping the progression of the disease by targeting just one of the three factors.

Meta Quest 3 512GB

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

Human brain contains neurons with a preference for whole real words

A new study found that neurons in the visual word form area of the left visual cortex prefer individual real words over pronounceable nonsense words. This discovery supports experience-driven tuning of neurons to real words and provides evidence for neural plasticity beyond lower-level representations.

African-American teens' perceptions of racial discrimination

A three-year study of over 200 African American teens aged 14-18 found that older teens who experienced more racial bias felt less positive about being Black. The study suggests bolstering youth's feelings about their racial group membership, especially positive views on being African American.

Zebrafish offer clues to treatments for motor neurone disease

Scientists at the University of Edinburgh have discovered that zebrafish can produce motor neurones after spinal cord damage, offering a potential stem cell treatment for humans. Researchers are now screening small molecules to find drugs that could kick-start motor neurone regeneration.

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.

Potential preventative therapy for type 1 diabetes

Researchers found that blocking a hormone called BAFF can prevent the development of Type 1 diabetes in mice. By depleting B cells, regulators of the immune system rise, allowing T regulatory cells to function properly and making killer T cells tolerant of insulin-producing cells.

Darwin in a test tube

Researchers at Scripps Research develop molecules that can evolve and compete for resources, demonstrating niche partitioning in coevolution. The study shows how different species adapt to specific food sources over time, a classic concept in Darwinian evolution.

Potential lung disease biomarkers yield clues to COX-2 inhibitor side effects

Scientists have discovered two biomarkers that may indicate the presence of smoking-related lung injury and cardiovascular side effects of COX-2 inhibitors. Elevated levels of PGE-M and LTE4 in urine could lead to earlier detection and treatment, reducing the risk of chronic obstructive pulmonary disease and heart problems.

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.

Topical cream studied as way to treat skin cancer without the knife

Researchers found that imiquimod cream, used with surgery, can treat lentigo maligna melanoma, a type of skin cancer. This approach may reduce the area needing surgery, manage the cancer, and minimize its recurrence. The study suggests that imiquimod could be an effective treatment option for some patients.

PER:PER protein pair required for circadian clock function

Scientists at Queen Mary University of London have discovered a PER:PER protein pair required for circadian clock function in fruit flies. This finding may also apply to mammals, including humans, with implications for regulating our biological clocks.

Astronomers find farthest known object

A team of astronomers has discovered the most distant object in the universe, a gamma-ray burst located approximately 13 billion light-years away. This explosive event, dubbed GRB 090423, occurred when the universe was just 630 million years old and is providing valuable insights into the early universe.

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.

Poor sleep quality leads to poorer prognosis after stroke

A study by Latha Stead found that patients with diagnosed or undiagnosed obstructive sleep apnea had a higher risk of death and poor outcomes after a stroke. The research suggests that regular screening for sleep apnea in emergency department settings could improve patient outcomes.

Athletes with asthma need more help from their team trainers

A new study by Ohio State University finds that most NCAA athletic trainers are not following best practice standards for managing asthma among athletes. The research suggests that a majority of programs are not adhering to national guidelines, which emphasize education, management protocols, and medical professional involvement.

Fluke 87V Industrial Digital Multimeter

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

Purdue study finds dairy better for bones than calcium carbonate

A Purdue University study shows that dairy promotes better bone growth and strength compared to calcium carbonate, with bones of rats fed nonfat dry milk being longer, wider, more dense and stronger. The study found a strong effect of having dairy as a calcium source followed by periods of inadequate calcium.

Simple blood test proves powerful ally in the fight against malaria

Scientists at Karolinska Institutet have developed a simple blood test that provides accurate results, helping to ensure patients receive the right treatment. The rapid diagnostic tests (RDT) are being used in low-income countries to improve healthcare outcomes and combat malaria.

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.

Some short-term memories die suddenly, no fading

A new study published in Psychological Science found that short-term visual memories of colors and shapes can last for at least four seconds without gradually fading away. After this period, the memories disappear completely, providing a clearer understanding of how memory formation and retention work.

Native Americans descended from a single ancestral group, DNA study confirms

A DNA study confirms that Native Americans and Greenlanders share a common ancestral population, with the '9-repeat allele' present in all Native American populations and absent in other Asian groups. This evidence supports the single ancestral population theory, ruling out multiple mutations and natural selection hypotheses.

Study suggests new target for treatment of depression

A study by researchers at the University of Iowa found that disrupting ASIC1a, a brain protein involved in fear behavior and anxiety, produces an antidepressant-like effect in mice. The results suggest that ASIC1a inhibition could represent a new approach to antidepressant therapy.

FluChip technology licensed to combat deadly flu virus

The FluChip technology has been licensed by InDevR to detect the deadly flu virus. The test can distinguish between human H1N1 viruses and the new swine H1N1 subtype, a crucial gap in current diagnostics. This new tool has the potential to greatly enhance influenza surveillance and track the virus.

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.

Are we cherry picking participants for studies of antidepressants?

A recent study found that only a small percentage of patients with depression qualify for clinical studies, suggesting the results may not be generalizable to most patients. The study showed better outcomes for those who met inclusion criteria, highlighting the need for more inclusive trial designs.

Study suggests left-side bias in visual expertise

Researchers discovered a preference for processing information on the left side of faces, which can aid in facial recognition. In contrast, experts who read Chinese characters exhibit reduced holistic processing and show a left-side bias, indicating general visual expertise.

Matrix protein key to fighting viruses

Researchers from Durham University have successfully mapped the high-resolution structure of the matrix protein, a critical component of enveloped viruses like RSV. This breakthrough could lead to the development of new biochemical tools to treat respiratory ailments and other viral infections.

New gamma-ray burst smashes cosmic distance record

Astronomers have discovered a gamma-ray burst from a star that died 630 million years ago, marking the most distant cosmic explosion ever seen. The burst, dubbed GRB 090423, is approximately 13 billion light-years away.

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.

Study finds higher drug co-pays discourage patients from starting treatment

A recent study by the RAND Corporation found that higher out-of-pocket costs for prescription medications deter patients with chronic illnesses from initiating recommended treatments. The delay in treatment is particularly pronounced among those who have not previously used medication, highlighting a potential barrier to care.

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.

Findings uncover new details about mysterious virus

Researchers from Purdue University have determined key structural features of the mimivirus, a possible 'missing link' between viruses and living cells. The findings revealed a starfish-shaped structure that covers a special vertex where genetic material leaves the virus to infect its host.

Depression linked with accumulation of visceral fat

Research at Rush University Medical Center found a strong correlation between depression and visceral fat, particularly among overweight and obese women. The study suggests that depression triggers the accumulation of visceral fat through chemical changes in the body.

New diagnostic advance seen for head, throat cancer

Researchers at Oregon State University have identified a genetic regulator called CTIP2 that is expressed at higher levels in aggressive types of head and neck cancers. The study found a high correlation between CTIP2 expression and the aggressive nature of cancer.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Unifying the animate and the inanimate designs of nature

Researchers at Duke University unify biological and geophysical principles of nature's design using the constructal law, which predicts flow systems' evolution to balance imperfections. This new perspective offers a powerful tool for understanding variation in both animate and inanimate nature.

New insight into addictive behavior offers treatment hope

Researchers have found that attentional bias, a key factor in addiction, does not directly control the decision to consume unhealthy items. Instead, conscious rapid decision-making processes following Pavlovian-type cues may be at play. This new understanding could lead to more effective treatments.

WA discovery a key to blood cell development

Researchers have identified a key molecule called Liar that leads other molecules into the nucleus of blood cells, offering a potential treatment for cancer. A cellular enzyme known as Lyn has also been found to 'turn on' blood cell development, highlighting a new target for cancer therapy.