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Science News Archive July 2013


Page 26 of 31

Satellites see ups and downs of 2 tropical Eastern Pacific systems

Two tropical cyclones, Tropical Depression Dalila and Tropical Storm Erick, are affecting the Eastern Pacific Ocean, with Dalila weakening due to dry air and wind shear, while Erick is strengthening and poses a threat to Mexico's southwestern coast. Residents in the warning area can expect heavy rainfall and rough surf.

Solitary lemurs avoid danger with a little help from the neighbors

Researchers discovered that Sahamalaza sportive lemurs significantly increase vigilance after hearing alarm calls of nearby species, including the crested coua and blue-eyed black lemur. This study provides insight into the lemurs' ability to glean information on predator presence and type from referential signals.

Cosmetic surgery to look whiter fails to boost women's self-esteem

A study found that cosmetic surgery for black women in Venezuela temporarily improves their self-esteem, but the procedure is rooted in a culture that values whiteness. The research highlights how aesthetic ideals interact with local ideas about race and marginalization.

Apple iPhone 17 Pro

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

Designer droplets with 'pupils' open a world of possibilities

Researchers from NTNU have developed a method to control the behavior of oil droplets using an electric field, which could improve emulsion stability and prevent separation. This technique may be useful in various industries, including food production, cosmetics, and oil recovery.

The evolution of fins to limbs in the land invasion race

Researchers analyzed terrestrial locomotion in tiger salamanders and mudskipper fish, finding that pectoral fins experience more medial forces than forelimbs. This suggests that early amphibious fish with fins may not have been capable of supporting their weight on land.

New study reveals important role of insulin in making breast milk

A new study by Cincinnati Children's Hospital Medical Center and the University of California Davis has made a significant discovery about insulin's role in lactation. Insulin plays a crucial role in regulating the production of breast milk, particularly for mothers with sub-optimal glucose metabolism.

In subglacial lake, surprising life goes on

Researchers identified thousands of species, including bacteria, fungi, and archaea, through DNA and RNA sequencing. The findings suggest the lake once connected to the ocean, with marine and freshwater species present.

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.

University of Akron researchers explore biomedical uses for hydrogels

Scientists at The University of Akron have developed a simple method to synthesize double-network hydrogels, which exhibit high mechanical properties and are promising replacements for load-bearing soft tissues like cartilage. These hydrogels can also be loaded with drugs and placed into the body, where they biodegrade and release the ...

Danish archaeologists uncover ancient killing fields in the Ukraine

Aarhus University researchers have discovered the remains of a large proportion of the rural population killed during a military invasion in the early 3rd century BC. The excavations have provided insights into daily activities of ancient peasantry and their adaptation to cultural and natural changes.

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.

How the brain creates the 'buzz' that helps ideas spread

Researchers at UCLA discovered that brain activity in the temporoparietal junction (TPJ) is linked to persuasiveness and idea sharing. This finding could lead to more effective public health campaigns, advertisements, and communication strategies.

Octopus' blue blood allows them to rule the waves!

Researchers discovered that Antarctic octopods have genetically and functionally distinct haemocyanin forms that facilitate oxygen release at sub-zero temperatures. This physiological adaptation allows octopods to sustain aerobic life in cold environments.

No single origin for agriculture in the Fertile Crescent

Archaeologists uncover evidence of ancient grain cultivation between 12,000 and 9,800 years ago in eastern Fertile Crescent. Plant remains found at Chogha Golan site show simultaneous development of Neolithic culture across region.

SAMSUNG T9 Portable SSD 2TB

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Scientists explore the mind with epigenomic maps

Researchers discovered unique patterns of DNA methylation that emerge when neurons form new connections in children's developing brains, shedding light on the role of epigenomics in learning, memory, and mental illness. The study provides a new framework for understanding brain development and function.

University of East Anglia research reveals true cost of farming to UK economy

A new report from the University of East Anglia finds that current UK farming subsidies distort land use decisions, resulting in significant financial and environmental costs. The research suggests that reforms to EU subsidies could improve land use efficiency and reduce costs, while also conserving wild species and promoting recreation.

Brain epigenome changes from birth to adolescence

Researchers discovered significant brain epigenome changes from birth to adolescence, transforming the frontal cortex and shaping communication spaces between neurons. The study's findings have profound implications for understanding brain biology and potentially treating neurodevelopmental disorders like autism and schizophrenia.

Long-lived mice are less active

A study published in PLOS ONE found that long-lived female house mice are less active than shorter-lived counterparts, consuming less food and displaying reactive personality traits. The researchers suggest that life-history theory predicts individuals with greater life expectancy to be more cautious and energy-conserving.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Spider webs more effective at ensnaring charged insects

Researchers found that spider webs are more effective at capturing charged insects, with positively charged insects attracting the negatively charged web. This discovery suggests that electrostatic charges may have driven the evolution of specialized webs.

New marker substance for cancer cells

Researchers at ETH Zurich developed a new PET tracer that targets the folic acid receptor on cancer cells, enabling precise diagnosis and predicting patient response to therapy. The tracer also has potential for displaying inflammatory diseases and medication development.

Technological breakthrough paves the way for better drugs

Researchers at Karolinska Institutet developed a breakthrough method called CETSA to measure drug molecules' binding to target proteins. This enables more efficient development of new drugs and potential improvement in cancer treatments.

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.

Jumping snails leap over global warming

Researchers found snails increased oxygen consumption 4-5 times during jumping to cope with rising temperatures. The study suggests the snails can maintain this strong increase in oxygen uptake even at high temperatures that would be lethal to fish.

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.

Feeding galaxy caught in distant searchlight

Astronomers have observed a galaxy feeding on material from its surroundings, shedding light on galaxy formation. The study used ESO's VLT to analyze the properties of gas around the galaxy, providing unique insights into the growth of galaxies.

Saarland University scientists reveal structure of a supercooled liquid

Researchers at Saarland University used DESY's x-ray source to study the transformation of supercooled liquids. They observed that these liquids transition from a 'fragile' to a 'strong' state with increasing order despite constant density, and this process was detectable in temperatures ranging from 1200 K to 800 K.

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.

Seeing starfish: The missing link in eye evolution?

Researchers found that starfish with intact eyes move towards the reef, while those without eyes walk randomly. The study suggests that starfish nervous system can process visual information, pointing to an underestimation of echinoderms' capacity.

A route for steeper, cheaper, and deeper roots

Plants with thinner roots show natural variation in cortical cell number, reducing energetic cost of soil exploration and increasing rooting depth. This trait could lead to improved seed production for agriculture, maintaining high yields in drought-prone regions.

Exercise rescues mutated neural stem cells

Researchers at Helmholtz Association discovered that exercise can fully rescue the phenotype of CHD7-deficient neural stem cells, allowing them to differentiate into mature neurons. This breakthrough provides new insights into the molecular mechanisms underlying CHARGE syndrome and may lead to potential treatments.

Unique epigenomic code identified during human brain development

A new study by Salk scientists reveals that the landscape of DNA methylation in brain cells is highly dynamic during brain circuitry formation, helping to understand how information in the genome is controlled from fetal development to adulthood. The discovery opens a deeper understanding of how intricate patterns of connectivity in th...

Fluke 87V Industrial Digital Multimeter

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

Protecting drinking water systems from deliberate contamination

A four-year EU-funded project has developed a response programme to rapidly restore drinking water networks following a deliberate contamination event. The SecurEau toolbox includes tools for detecting water quality changes, identifying sources of contamination, and cleaning distribution systems.

The balancing act of producing more food sustainably

A team of scientists from the University of Oxford proposes sustainable intensification as a policy to meet increasing food demands. The approach focuses on improving agricultural productivity while reducing environmental harm, but also acknowledges the need for broader policy changes, including dietary shifts and waste reduction.

Study reveals ancient jigsaw puzzle of past supercontinent

Researchers used a computer program to recreate the ancient supercontinent Gondwana by aligning geological boundaries across Australia, India and Antarctica. The study improves understanding of plate tectonics and its impact on oil and gas deposits.

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.

Molecular chains hypersensitive to magnetic fields

Scientists at Twente University successfully created one-dimensional molecular wires with near-zero electrical conductivity when exposed to a weak magnetic field. The phenomenon is attributed to the Pauli exclusion principle and has potential applications in smartphone technology and hard disk read heads.

Cosmic radio bursts point to cataclysmic origins

A team of international researchers discovered four fast radio bursts from cosmological distances, suggesting they originate from extreme events involving relativistic objects. The findings provide a way to study space between galaxies and understand the properties of missing matter in the Universe.

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.

Urine test can diagnose, predict kidney transplant rejection

A new noninvasive urine test can diagnose and predict kidney transplant rejection with high accuracy, offering an alternative to the standard kidney biopsy. The test uses biomarkers in the urine of kidney transplant recipients to detect rejection, allowing doctors to intervene early and prevent kidney injury.

First supper is a life changer for lizards

Researchers found that young lizards' early meals significantly impact their lives, influencing dispersal, growth, and survival. A single meal also affects reproductive success two years later, highlighting the importance of fleeting moments in shaping individual and population evolution.

Dodging antibiotic side effects

Researchers discovered that antibiotics can cause oxidative stress, damaging human cells and leading to side effects. The team found two novel strategies: using bacteriostatic antibiotics or antioxidants like N-acetylcysteine to prevent or remediate oxidative stress.

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.

Gateway for metastases

Researchers from Max Planck Institute discovered the P2Y2 receptor molecule on blood platelet walls enables tumor cells to enter organs via blood vessel openings. Blocking this key molecule may lead to new therapeutic approaches for malignant tumors.

Evolution's toolkit seen in developing hands and arms

A comparative genomics study led by Yale School of Medicine researchers has identified thousands of sequences controlling genes in the developing human limb. These regulatory sequences are active in humans but not in other primates or mice, suggesting they evolved since the human-monkey divergence.

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.