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Science News Archive 2011


Page 3 of 311

How do you mend a broken heart?

Researchers identified a family of molecules that can stimulate stem cells to develop into beating heart muscle cells, paving the way for new therapies for cardiac regeneration and repair. The discoveries were made using a zebrafish model system and showed promise in enhancing the inherent regenerative capacities of the heart.

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.

How moms talk influences children’s perspective-taking ability

A longitudinal study found that young children whose mothers frequently discuss people's thoughts and feelings tend to have better perspective-taking skills. This suggests that mothers' language use can influence their children's cognitive flexibility and theory of mind development.

Science's breakthrough of the year: HIV treatment as prevention

A groundbreaking clinical trial has demonstrated that antiretroviral drugs can provide both treatment and prevention for HIV, reducing transmission rates by up to 96%. The study found that treated individuals are significantly less likely to infect their partners.

When 'clean' is not clean enough

A new backboard cover, Board Armor, has been developed to reduce infection rates in patients and save valuable emergency response time. The synthetic material disposable cover prevents bodily fluids from contaminating the backboard and eliminates the need for cleaning between uses.

HIV study named 2011 breakthrough of the year by Science

The HPTN 052 clinical trial found that HIV-infected individuals who start antiretroviral therapy when their immune systems are healthy have a 96% reduced risk of transmitting the virus to their uninfected partners. This groundbreaking study demonstrates the effectiveness of treatment as prevention in reducing HIV transmission.

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.

First ever direct measurement of the Earth's rotation

The Earth's rotational axis fluctuates due to gravitational forces and atmospheric pressure. By building a ring laser at the Wettzell observatory, scientists have successfully captured these movements, corroborating Chandler and annual wobble measurements.

Harvard physicists demonstrate a new cooling technique for quantum gases

Researchers have realized a new way to cool synthetic materials using a quantum algorithm, removing excess energy from ultra-cold atomic gases. This breakthrough enables the manipulation of individual particles at unprecedented temperatures, revealing a mysterious world that has never been seen before.

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.

Shearing triggers odd behavior in microscopic particles

A team of scientists has imaged and explained the formation of string structures in microscopic spheres suspended in a viscous fluid under shear forces. The study revealed that these strings were perpendicular to the shear force, contrary to expectations, and were influenced by lubrication forces.

Fish oil may hold key to leukemia cure

A Penn State research team has discovered a compound produced from fish oil that targets and kills leukemia stem cells, potentially leading to a cure for the disease. The compound, D12-PGJ3, selectively activates a gene in leukemia stem cells that programs their own death.

AGU journal highlights -- Dec. 22, 2011

Researchers analyzed recorded ozone data to assess changes in ozone loss rates over the past 15 years. They predict that ozone loss rates will begin to decline noticeably between 2017 and 2021. Meanwhile, a study found that tropical cyclones can temporarily alleviate escalating sea surface temperatures, staving off coral bleaching. Fur...

Virgin olive oil & fish fatty acids help prevent acute pancreatitis

Researchers from the University of Granada found that oleic acid and hydroxytyrosol in virgin olive oil, and n-3 polyunsaturated fatty acids in fish, can prevent or mitigate acute pancreatitis. The Mediterranean diet has been recognized by UNESCO as Intangible Cultural Heritage.

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.

'Nanoantennas' show promise in optical innovations

Researchers at Purdue University have developed nanoantennas that precisely manipulate light, allowing for the alteration of its phase and propagation direction. This enables potential applications in steering and shaping laser beams, nanocircuits for computers, and powerful lenses for microscopes.

Defending the genome

Researchers discovered that when a new transposon is introduced, it triggers a response that disrupts the piRNA machinery, leading to a massive destabilization of the genome. However, as the hybrids aged, they learned to shut down the new transposon and restore fertility.

Study points to long-term recall of very early experiences

Researchers found that about half of parents and a small percentage of children recalled events at age 2, while talking about the event soon after helped preserve memories. The study suggests that basic capacity for remembering own experiences may be in place by 2 years of age.

Apple iPhone 17 Pro

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

New device could bring optical information processing

Researchers at Purdue University have developed a new type of optical device that can process information in one direction, eliminating the need for translation and increasing bandwidth. This innovation has the potential to lead to faster and more powerful supercomputers by connecting multiple processors together.

Hips that function better and last longer

Researchers at Northwestern University discovered that graphitic carbon is a key element in the lubricating layer of metal-on-metal hip implants, reducing friction and wear. This finding offers a target for designing new materials to improve implant performance.

Penn scientists pioneer new method for watching proteins fold

A team of chemists at the University of Pennsylvania has developed a method to watch proteins fold in real-time, allowing for a better understanding of protein folding and misfolding. This technique uses infrared spectroscopy to analyze structural changes as a function of time, providing insights into protein folding mechanisms.

Landmark discovery has magnetic appeal for scientists

Researchers discover subtle electronic effect in magnetite that causes a dramatic change to its electrical conductivity at very low temperatures. This discovery gives new insight into the mineral's structure and behavior, potentially enabling the exploitation of magnetite and similar materials in new ways.

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.

Genetics and immunity interact in dengue disease severity

A study by the Broad Institute and University of California, Berkeley, has linked a person's immune status to the viral genetics of dengue, revealing how these two factors interact to cause severe disease. The research showed that immunity from previous infections and genetic variants of the virus combined to increase disease severity.

Pathogenic landscape of HIV

A comprehensive survey of HIV's interactions with human cells has identified hundreds of connections between viral and human proteins. This research may lead to the development of new drugs to treat HIV/AIDS by disrupting these connections.

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.

Researchers develop new method of cleaning toxins from the oilsands

Researchers at the University of Calgary have isolated biofilms that can detoxify tailings water by removing toxins and metals. These microorganisms are highly tolerant to stress associated with pollutants, making them a promising solution for cleaning oilsands-related water.

Myths and truths of obesity and pregnancy

Women with obesity may face increased risks of preterm birth, respiratory complications, and poor breastfeeding rates. However, with proper education, motivation, and medical care, they can have healthy pregnancies and successful outcomes for both mother and baby.

How the brain cell works: A dive into its inner network

A team led by University of Miami professor Akira Chiba has developed a novel methodology to examine protein-protein interactions in the fruit fly, allowing for the creation of a point-by-point map of these interactions. This breakthrough uses custom-built 3D FLIM imaging technology to visualize protein associations in live cells.

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.

Research finds Medicare and private insurance spending similar throughout Texas

Researchers at the University of Texas Health Science Center at Houston found that variations in health care spending by Medicare and Blue Cross Blue Shield of Texas are similar throughout the state. The study compared spending and inpatient admissions across 32 Texas regions, concluding no significant differences between the two.

Notre Dame researchers develop paint-on solar cells

A team of researchers at the University of Notre Dame has created a one-coat solar paint that can be applied to any conductive surface without special equipment. The paint uses semiconducting nanoparticles to produce electricity, offering a potential solution for inexpensive and efficient energy production.

Study reveals how normal cells fuel tumor growth

Researchers at Ohio State University found that normal cells in tumors can enhance cancer cell growth after losing a tumor suppressor gene called Pten. The study suggests interrupting signals between normal cells and cancer cells as a new approach to treating breast cancer.

Meta Quest 3 512GB

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

Astronomers discover deep-fried planets

Researchers have discovered two planets that survived being engulfed by their parent star, shedding new light on stellar and planetary systems. The discovery may also offer insights into the possible future of our own solar system.

Heart disease study highlights Scottish ethnic groups most at risk

A study by the University of Edinburgh found that Scots of Pakistani origin are 50% more likely to be admitted to hospital with chest pain and angina. Chinese people in Scotland have lower rates of hospital admissions for these conditions, suggesting lifestyle factors may play a role.

Fluke 87V Industrial Digital Multimeter

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

Language learning through hip-hop music

A study published in PLOS ONE found that participants who listened to more hip-hop artists had better knowledge of non-mainstream words and phrases used in the genre. Additionally, knowing the artists used in songs enhanced vocabulary understanding. These findings suggest a novel aspect of language learning among adolescents.

Autism Speaks awards 47 new research grants funding

Autism Speaks has awarded 47 new research grants, totaling $13.2 million, to advance understanding of epigenetic and gene-environment influences, neurobiology, and studies on adolescents and adults with autism. The grants will focus on increasing early diagnosis, improving treatment outcomes, and reducing the economic cost of autism.

Problems with a gastric band

A Case Report in The Lancet describes a woman's experience with late pulmonary complications after gastric banding, including recurrent aspiration and cavitation. The authors stress the importance of recognizing these rare but potentially misdiagnosed conditions, particularly among patients with respiratory symptoms.

Gene links rare and unrelated cancers

A research team led by Dr. David Huntsman and Dr. Gregg Morin found that mutations in the DICER gene were responsible for rare, unrelated cancers, revealing a fundamental process underlying these tumors. The discovery has the potential to lead to new approaches to treating both rare and common cancers.

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.

Having a cow can be a heart healthy choice

A new study from Penn State suggests that lean beef can be part of a heart-healthy diet when saturated fat levels are controlled. The DASH diet, which emphasizes plant protein foods and fish, was compared to two other diets: Beef in an Optimal Lean Diet (BOLD) and BOLD plus additional protein.

Exploiting Trichoderma: From food security to biotechnology

Research on Trichoderma highlights its use as biocontrol agents to reduce chemical pesticide use, improving food security. The fungus also forms symbiotic associations with plants, altering gene expression to increase plant growth and productivity.

Brain size may predict risk for early Alzheimer's disease

A study found that individuals with smaller brain cortex regions are more likely to develop early symptoms of Alzheimer's disease. The research identified 21% of those at high risk for cognitive decline, compared to 7% of those at average risk.

Why bigger is better when it comes to our brain and memory

A new study published in Neuron found that a larger posterior hippocampus and smaller anterior hippocampus are linked to better recollection ability in healthy adults. The researchers suggest that functional connections between the posterior hippocampus and other brain regions play a key role in enhanced memory consolidation.

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.

Breakthrough in treatment to prevent blindness

A new UCSF study shows a popular antibiotic treatment for trachoma can be administered every six months, reducing treatment costs and potentially treating twice as many patients. Researchers found a significant decrease in trachoma prevalence, even elimination in some villages, regardless of treatment frequency.

Pre-surgery exam rates vary widely among hospitals

A study of 205,000 patients found significant variation in pre-surgery exam rates among hospitals, suggesting a lack of standard guidelines. The findings highlight potential risks of over-testing and under-testing, which may increase healthcare costs and harm patients.

Self-affirmation may break down resistance to medical screening

A new study by University of Florida psychologists Jennifer L. Howell and James A. Shepperd found that self-affirmation can break down resistance to medical screening by refocusing attention from a threat to overall wellbeing, resulting in increased willingness to undergo screenings and treatment.

Naval technology could be a lifesaver

The FDA approved the first handheld device to detect life-threatening brain bleeding, which could be a lifesaver for Sailors and Marines. The portable Infrascanner reveals intracranial hematomas after an injury, allowing for early diagnosis and treatment.

JAMA commentary contends vitamin therapy can still reduce stroke

A recent JAMA commentary suggests vitamin B therapy can still lower stroke risk, particularly in patients with good renal function. However, the authors argue that clinical trials overlooked the role of vitamin B12 and renal failure, which can affect treatment efficacy.

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.

Positive feedback and tumorigenesis

Research reveals that cancer cells use a positive feedback loop involving c-MYC and SIRT1 to drive continuous cell division and tumor growth. This mechanism undermines normal cell regulation, leading to uncontrolled proliferation and treatment resistance in certain types of cancer.