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Science News Archive 2011


Page 214 of 311

Mystery solved: How sickle hemoglobin protects against malaria

Researchers at Instituto Gulbenkian de Ciencia unravel the molecular mechanism of sickle cell trait's protective effect against malaria. Sickle hemoglobin induces heme oxygenase-1, which produces carbon monoxide to protect infected hosts from cerebral malaria.

Apple iPhone 17 Pro

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

Being tall, obese may significantly increase risk of blood clots in deep veins

Research found a significant association between tall stature, obesity, and increased risk of venous thromboembolism (VTE) in both men and women. The study analyzed data from over 26,700 adults and found that being tall and obese may increase the risk of blood clots in deep veins by up to 5.28 times for men and 2.77 times for women.

NASA's Swift and Hubble probe asteroid collision debris

Asteroid Scheila unexpectedly brightened with short-lived plumes after being struck by a smaller asteroid, according to data from NASA's Swift satellite and Hubble Space Telescope. The collision created a crater 1,000 feet across and ejected over 660,000 tons of dust.

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.

5-minute screen identifies subtle signs of autism in 1-year olds

A new screening tool has been introduced to identify subtle signs of autism in 1-year-old children during well-baby check-ups. The 5-minute checklist is designed to be adopted by pediatricians nationwide and has shown high accuracy rates, enabling early diagnosis and treatment.

As the worm turns, its secrets are revealed

A new method developed by researchers at the University of California, San Diego School of Medicine has revealed functional gene networks in a live organism. The technique allows for the prediction of gene functions and could be useful for understanding human disease.

JAMA study reports on fatty liver disease in children and teens

A new study published in JAMA found that neither vitamin E nor the diabetes drug metformin successfully reduced liver enzymes in children and teens with nonalcoholic fatty liver disease. However, a biopsy of the liver showed improvement in injury pattern with vitamin E therapy in patients with severe fatty liver disease. The study high...

Social bonding in prairie voles helps guide search for autism treatments

Researchers at Emory University are exploring the use of prairie voles to identify drugs that can enhance social learning in individuals with autism spectrum disorders. The study found that giving female voles D-cycloserine promotes pair bonding, suggesting its potential as a therapeutic tool for treating autism.

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.

Monkey recall memory mirrors that of humans

A study demonstrates that monkeys can recall and reproduce simple shapes from memory, mirroring the performance of humans using a standard recall test. This finding suggests that recollection might be an adaptive ability in primates long before humans evolved.

Study targets treatment for serious ACE inhibitor side effect

A new Henry Ford Hospital study identified a successful treatment protocol for facial, tongue, and airway swelling caused by ACE inhibitors. Treatment with IV corticosteroids and antihistamines reduced swelling and prevented airway obstruction in all patients.

Our own status affects the way our brains respond to others

A new study found that people with higher social status respond more strongly to information about others of higher status, while those with lower status respond more strongly to information about others of lower status. This effect is linked to the brain's value system and has important implications for social behavior and interactions.

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.

Nanotechnologists must take lessons from nature

Researchers Peter Cummings and Michael Simpson propose that mimicking natural processes can lead to more efficient and reliable devices. By exploiting contrarian behavior and 'noise,' scientists can develop technology that outperforms traditional methods, as seen in the humble bacterial cell's ability to withstand modern medicines.

TRMM Satellite sees massive thunderstorms in severe weather system

The TRMM satellite detected massive thunderstorms and very heavy rainfall along a powerful cold front moving through the eastern United States on April 28, 2011. Tornadoes spawned by these storms caused significant loss of life, with at least 128 deaths in Alabama and 15 in Georgia.

How do white blood cells detect invaders to destroy?

Cedars-Sinai researchers discovered how white blood cells identify invading fungi, using the molecular receptor Dectin-1. This finding sheds light on the immune system's ability to mount a response against pathogens.

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.

Animals have personalities, too

A new study found that animal personalities are reflected in their oxidative stress profiles, with timid birds experiencing higher levels of damaging oxygen toxins and weaker defenses. In contrast, curious birds had better defences against oxidative damage.

Prejudice and the President

A University of Delaware doctoral student conducted a study on how racial prejudice affects perceptions of President Barack Obama's 'Americanism' and performance. The results show that white Americans who hold prejudiced views against black people are more likely to rate Obama as performing poorly in office.

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.

1 drug, many targets: Is this the future?

Researchers have identified multiple molecular targets of the anti-HIV drug nelfinavir, which may explain its effectiveness as a cancer therapy. The study, published in PLOS Computational Biology, suggests that the collective effect of these weak interactions leads to the clinical efficacy of nelfinavir.

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.

From the beginning, the brain knows the difference between night and day

Researchers found that infants' brains develop the ability to determine light and dark cycles independently of visual stimuli. The study suggests that this innate ability is a hard-wired feature of development, allowing animals to synchronize their circadian rhythms with daily changes in light exposure.

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.

Catching signs of autism early: The 1-year well-baby check-up approach

Researchers at the University of California, San Diego, developed a novel screening approach to detect Autism Syndrome Disorder (ASD) in babies at 1-year check-ups. The 'One-Year Well-Baby Check Up Approach' has shown a positive predictive value of 75% using a simple, five-minute screening technique.

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.

Monkeys, too, can recollect what they've seen

Rhesus monkeys demonstrated flexible recall of simple shapes from memory, similar to humans, and showed ability to transfer memory skill to novel shapes. This finding suggests that the ability to recollect may have been present in our common ancestor 30 million years ago.

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.

Record number of whales, krill found in Antarctic bays

Researchers tracked over 300 humpback whales and 2 million tons of krill in Wilhelmina Bay, revealing a critical late-season foraging ground for the endangered whales. Climate change is affecting the region, with rapid reduction of sea ice cover impacting krill survival.

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.

2 graphene layers may be better than 1

Researchers at NIST have shown that two layers of graphene exhibit random patterns of alternating positive and negative charges due to substrate interactions. This discovery brings graphene closer to being used in practical electronic devices.

Out of Africa -- how the fruit fly made its way in the world

Researchers studied fruit flies adapting from sub-Saharan Africa to Europe and found that a gene called crm regulates temperature-dependent traits. The study reveals that changes in this gene may have enabled the flies to survive in colder climates.

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.

NIST prototypes framework for evaluating sustainability standards

The NIST framework analyzes sustainability standards using the Zachman framework, providing a structured approach to selecting and implementing effective standards. This helps small and medium-size enterprises identify relevant standards, measure progress, and report results, ultimately boosting their sustainability efforts.

Researchers create terahertz invisibility cloak

A team of researchers at Northwestern University has created a terahertz invisibility cloak that manipulates light to render objects invisible in the terahertz range. This design could have implications for biomedical research, security and communication.

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.

Scorpion venom -– bad for bugs, good for pesticides

Michigan State University researchers found that scorpion venom selectively targets insect sodium channels, making it a valuable tool for developing new insecticides. The study aims to understand how insects develop resistance and create alternatives to control resistant pests.

Tired neurons caught nodding off in sleep-deprived rats

A new study in sleep-deprived rats reveals that even when awake and active, scattered groups of neurons can briefly fall asleep, leading to declines in task performance. This phenomenon is more analogous to local lapses seen in epilepsy and may help explain impaired cognitive function in sleep-deprived individuals.

A surprise: China's energy consumption will stabilize

A new Berkeley Lab study forecasts China's energy use will level off, even as its population edges past 1.4 billion, due to saturation in energy demand for appliances and housing. The report also predicts significant reductions in greenhouse gas emissions through increased adoption of electric cars, nuclear power, and improved energy e...