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Science News Archive May 2011


Page 16 of 28

Moon's rough 'wrinkles' reveal clues to its past

Researchers create comprehensive maps of the moon's slopes and roughness, revealing insights into crater formation and volcanic activity. The study provides clues about the impact processes that shaped the moon's surface over billions of years.

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.

MIT research: Toward faster transistors

MIT physicists have discovered a new physical phenomenon that can greatly enhance capacitance in transistors, which may lead to increased clock speed and reduced heat. The discovery, reported in the journal Science, challenges existing understanding of physics and has potential implications for computer chip design.

The ties that bind: Grandparents and their grandchildren

A new study explores the reasons behind grandparents' investment in their grandchildren, revealing that this behavior may be a relic of the past but still beneficial. Grandparents provide financial resources, emotional support, and care for their grandchildren, potentially contributing to improved child development.

Rochester autism researchers present new findings at IMFAR

Researchers from the University of Rochester Medical Center presented studies on nutritional insufficiencies, including supplement use, folate and niacin levels, and artificial food dye effects. The studies aim to identify effective interventions for children with autism spectrum disorders and explore potential environmental factors.

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.

I know you, bad guy!

A recent study by researchers at Seoul National University found that magpies can recognize individual humans, but only through visual cues. The birds showed aggressive responses to climbers and were able to distinguish them from non-climbers, suggesting a level of cognitive ability similar to that of domesticated animals.

Sound safety

Engineers at Asius Technologies create a device that seals the ear canal, boosting sound pressures and alleviating listener fatigue. The technology uses a sacrificial membrane to absorb pressure waves, protecting the ear drum and preventing over-activation of the acoustic reflex.

As time goes by, it gets tougher to 'just remember this'

Researchers at Johns Hopkins University found that aging brains have difficulty processing new information due to reduced input from the rest of the brain. This leads to confusion and a greater reliance on old memories, making it harder to recall recent events.

Turning plants into power houses

Researchers assembled a team to investigate the efficiency of photosynthesis and solar cells. They found that plants are approximately 1% efficient in converting sunlight into energy, while photovoltaic arrays can achieve up to 10% efficiency.

Software reveals critical crop growth stages

The PhenologyMMS software predicts plant growth stages based on weather reports and soil moisture, providing farmers with a decision-making tool to optimize crop management. The program covers multiple crops, including corn, wheat, barley, and millet varieties, and can be used independently or integrated into existing models.

Apple iPhone 17 Pro

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

Expectant fathers should receive prenatal care, support, study finds

A recent study found that expectant fathers experience unique stress related to pregnancy, which affects the health of their partners and infants. The research recommends providing prenatal care for men to encourage them to take an active role in pregnancy and improve maternal and infant health outcomes.

The power of placebos

A recent survey led by McGill Psychiatry Professor Amir Raz found that one in five respondents, mostly psychiatrists, have administered or prescribed placebos. The majority of responding psychiatrists (more than 60%) believe that placebos can have therapeutic effects.

Meta Quest 3 512GB

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

Reining in nicotine use

Research by Dr. Inés Ibañez-Tallon and her team at MDC Berlin-Buch reveals that the midbrain habenula region plays a key role in nicotine dependence. The study found that only a balanced activity of two genes can rein in nicotine use.

Movement without muscles

Researchers identify epithelial cells as key to sponge movement, contradicting long-held assumption about muscle cell origins. The study uses 3D imaging to visualize sponges' contracted and expanded states, revealing a new understanding of the evolutionary development of musculature.

MIT control theory research: How to control complex networks

A new computational model analyzes any type of complex network, revealing critical points for controlling the entire system. Researchers found sparse networks require more nodes to control, while dense networks need fewer. The algorithm offers potential applications in reprogramming adult cells and identifying new drug targets.

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.

Sex hormone precursor inhibits brain inflammation

Researchers found that a steroid hormone called ADIOL moderates inflammation in the brain and may lead to new treatments for patients with neurodegenerative conditions. The discovery could also help predict risk or responses to drugs that mimic its actions.

New X-ray method for understanding brain disorders better

Researchers have created a new X-ray method called SAXS-CT to map the myelin sheaths of nerve cells in detail. This can provide insights into neurodegenerative diseases such as cerebral malaria, multiple sclerosis, and Alzheimer's disease.

Humanity can and must do more with less: UNEP

The UNEP report highlights the need to decouple economic growth from resource consumption to achieve a sustainable future. Experts warn that current trends could lead to unprecedented levels of resource consumption by 2050, posing an existential risk to the planet.

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.

Latitude and rain dictated where species lived

A team of scientists found that reptiles and mammals lived in separate areas due to differences in water availability, with reptiles thriving in drier temperate zones and mammals in water-rich tropical regions. This study helps predict the impact of climate change on mammal species distribution.

Ancient gene gives planarians a heads-up in regeneration

Researchers found that a gene called notum determines whether planarian regrow head or tail at amputation sites. This study suggests that animals can 'decide' what needs to be regenerated based on tissue orientation at wound sites.

Bacterium found to kill malaria in mosquitoes

Researchers at Johns Hopkins Bloomberg School of Public Health have discovered a bacterium that kills the malaria parasite when present in mosquitoes. The Enterobacter bacterium produces reactive oxygen species, detrimental to Plasmodium development in the mosquito gut.

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.

Mixing fluids efficiently in confined spaces: Let the fingers do the working

A team of researchers at MIT has discovered a simple yet efficient method to mix fluids in small or confined spaces using viscosity contrast. By injecting a thin fluid into a thicker one, the two liquids can be mixed uniformly quickly, overcoming challenges in microfluidics technology and lab-on-a-chip applications.

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.

Findings could lead to a blood test for lung cancer

Researchers identified characteristic patterns of molecules called microRNA (miRNA) in the blood of people with lung cancer that may reveal its presence and aggressiveness. These patterns could potentially lead to a blood test for early detection, even up to two years before tumor formation.

Smarter treatment for killer infections

Case Western Reserve University researchers found that manipulating Kruppel-like transcription factor 2 can improve survival rates during bacterial infection. The study reveals that boosting immune cells in the early stages of sepsis can cause harm, while curbing the defense system in later stages is crucial to prevent shock and death.

Exposing ZnO nanorods to visible light removes microbes

Researchers at the Asian Institute of Technology successfully demonstrated the use of ZnO nanorods to remove microbes from water using visible light. The study found that the nanorods killed both gram-positive and gram-negative bacteria, offering a promising solution for water purification.

Stem cells from bone marrow save the day

Researchers found that human stem cells from bone marrow significantly reduced pulmonary edema and protein in lungs after acute lung injury. hMSC treatment also increased anti-inflammatory proteins, including TSG6 and IL-1RN.

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.

'Fasting pathway' points the way to new class of diabetes drugs

Researchers at Salk Institute discover a unique fasting pathway that turns up glucose production in the liver when blood sugar levels drop, providing a novel way to treat metabolic disease. Inhibiting histone deacetylases (HDACs) may help regulate blood glucose levels and prevent type II diabetes.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Genetic clue to common birth defects found

Researchers at King's College London have identified the genetic cause of Adams-Oliver Syndrome, a rare condition that can lead to birth defects. The study found mutations in the ARHGAP31 gene, which regulates proteins involved in cell division and growth, potentially leading to disruptions in limb formation.

Seals sense shapes using their whiskers to feel wakes

Harbour seals use their whiskers to sense shapes and sizes of objects in murky water. The team found that the seal could distinguish between paddles with different widths and shapes, including triangular, cylindrical, flat, and undulating paddles. This ability may help seals optimize energy intake while hunting.

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.

African Americans and the general public support banning menthol in cigarettes

According to a new study, most African Americans and the general public support banning menthol in cigarettes, with 83% of African American smokers using these products. The study found that support for the ban was highest among African Americans under 24 years old (71.2%) and those with less than a high school diploma (64.7%).

Research breakthrough on male infertility

Researchers have identified a set of genes within mitochondria crucial to understanding male infertility. Mutations in these genes can build up unnoticed and cause harm to males but not females due to maternal inheritance.

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.

Younger patients, those with lower health literacy less likely

A six-month study found that younger patients and those with lower health literacy were less likely to stick with telemonitoring technology. Despite this, patients who initiated the system showed high participation rates, with over half continuing to participate three days a week.

Diagnosing 'seizures' in the US economy

A study comparing the US economy to epilepsy suggests a connection between economic downturns and seizure-like behavior in financial markets. The researchers propose severing excess links between sectors to cure market distortions.

Cats pass disease to wildlife, even in remote areas

Researchers discovered infected cats and wildlife with Toxoplasma gondii in a natural area, suggesting feral cats are the source of infection. The parasite is shed in cat feces and transmitted to animals through soil, water, or contact with infected animals.

Fluke 87V Industrial Digital Multimeter

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

AGU Journal highlights -- May 12, 2011

Research reveals a new freshwater source for Antarctic coastal waters, where meltwater from glaciers drives high discharge rates. Phytoplankton also affect clouds and precipitation, leading to increased cloud albedo and reduced cloud droplet radius.

Photosynthesis or photovoltaics: Weighing the impact

A study published in Science compares the energy conversion efficiency of photosynthesis and photovoltaics, finding that artificial systems can outperform natural ones. The researchers suggest reengineering photosynthesis to improve its ability to meet human energy needs through synthetic biology and technology.