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Science News Archive August 2015


Page 5 of 32

Humus depletion induced by climate change?

A new study by TUM scientists links climate change to declining crop yields and humus stocks in arable soils. The researchers found that the stagnation in yields coincides with a decline in organic matter input into the soil, leading to a depletion of humus.

Study finds fair trade logo boosts consumer's willingness to pay

A new study published in Frontiers in Behavioral Neuroscience found that the Fair Trade logo increases consumer's willingness to pay by 30% on average. The study also discovered that the logo influences subjective evaluations of products and activates the brain's reward system.

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.

Study aims to reproduce 100 published journal papers

Researchers successfully replicated 95 of the original experiments but could only reproduce results in under half of the cases. The study's findings suggest that initial evidence strength is a key predictor of replication success, and that surprising effects are generally harder to replicate.

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.

Pigments, organelles persist in fossil feathers

Researchers have found evidence that melanosomes, which produce melanin pigment, are preserved in the fossil record of Anchiornis huxleyi, a bird-like dinosaur. The study uses electron microscopy and chemical analysis to demonstrate that the microbodies are indeed melanosomes, not microbes.

Improved microscopy technique reveals new insights into cell processes

Researchers have improved Structured Illumination Microscopy (SIM) to achieve 62-nanometer resolution, reducing phototoxicity and improving imaging of proteins interacting. This breakthrough has provided new insights into cell processes, such as the role of actin in clathrin-mediated endocytosis.

Political polarization on Twitter depends on the issue

Researchers found that Twitter users shared messages from people with different ideological views for non-political issues like sports events, but converged on similar ideologies for overtly political topics. The study also revealed dynamic shifts in polarization over time for certain issues, such as the Newtown school shooting.

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.

Successful boron-doping of graphene nanoribbon

Researchers at the University of Basel have synthesized boron-doped graphene nanoribbons with controlled band gaps, enabling the development of highly sensitive gas sensors for nitrogen oxides. The material's chemical properties were characterized using atomic force microscopy, revealing high selectivity towards adsorption.

NASA's GPM satellite analyzes Tropical Storm Erika's rainfall

The GPM satellite captured intense rainfall rates of up to 52.8 mm per hour, with embedded convection necessary for storm strengthening, but displaced due to wind shear. The storm's low-level center was located northwest of the rain field, hindering intensification.

Apple iPhone 17 Pro

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

Dry eyes -- researchers report progress in diagnosis and treatment

The September special issue of Optometry and Vision Science presents significant strides in managing patients with dry eye symptoms. Key findings include new treatments such as omega-3 supplements and heat therapy, as well as emerging approaches to diagnosis and management.

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.

Scientists identify possible key in virus, cancer research

Florida State University researchers have identified a viral protein that inhibits the major DNA sensor, suggesting a new pathway for fighting infections, cancer, and autoimmune diseases. By manipulating this protein, scientists may be able to enhance or tune down the immune response.

New fossil skulls reveal insights about penguin brain evolution

Fossil skulls from 35 million year old sediments in Antarctica have shed light on the changes in penguin brains that accompanied their transition to water. The findings indicate that early penguins had many of the adaptations of living forms, while having a few unique traits not seen in modern ones.

Imaging techniques set new standard for super-resolution in live cells

Researchers at the Howard Hughes Medical Institute's Janelia Research Campus have developed new imaging techniques that dramatically improve spatial resolution in living cells. The new methods offer extraordinary visual detail of structures inside cells with unprecedented clarity and speed.

'Brainbow' reveals surprising data about visual connections in brain

Researchers at Virginia Tech Carilion Research Institute used 'brainbow' technique to tag retinal ganglion cell terminals, revealing individual terminals from multiple cells in mature mouse brains. The study challenges traditional understanding of neural development and connections between the retina and brain.

Fluke 87V Industrial Digital Multimeter

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

Study links air pollution to children's low GPAs

A University of Texas at El Paso study found that fourth and fifth graders exposed to toxic air pollutants at home have lower GPAs. The researchers used data from 1,895 children living in El Paso, estimating their exposure to air pollutants like diesel exhaust.

New theory leads to radiationless revolution

Physicists have developed a radical new theory that confines electromagnetic energy without leaking away, with potential applications in explaining dark matter and combating energy losses. The theory contradicts fundamental principles of electrodynamics but could lead to breakthroughs in quantum computers and laser technology.

Researchers thwart cancer cells by triggering 'virus alert'

Researchers found a core group of genes related to both viral defense and susceptibility to demethylating drug 5-azacytidine. The study suggests that triggering this pathway may improve the effectiveness of immunotherapy drugs in patients with certain types of cancer.

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.

Interstellar seeds could create oases of life

A new study proposes that if life can travel between stars through panspermia, it would spread in a characteristic pattern, creating clusters of life-forms. These clusters could resemble bubbles in a pot of boiling water, growing and overlapping with each other.

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.

At the origin of language structure

A study by Hanna Marno and colleagues found that languages with SVO structures prefer simplicity due to cognitive load constraints. In experiments where participants were not required to invent their own gestures, a preference for the SVO form emerged in both Italian-speaking and Farsi-speaking groups.

Is neuroticism fueled by overthinking?

A new theory proposes that neuroticism is driven by high activity in the brain's self-generated thought centers, which can lead to both creative breakthroughs and negative emotions. The study suggests that overthinking may be a key factor in experiencing intense negative emotions even when there is no apparent threat.

Modified bacteria become a multicellular circuit

Rice University scientists have created a multicellular bacterial circuit that allows bacteria to cooperate and control protein expression. This breakthrough enables the development of biological computers that can be programmed through diet, with potential applications in treating diseases and manipulating the gut microbiome.

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.

To get girls more interested in computer science, make classrooms less 'geeky'

A new study of high school students reveals that classroom design plays a significant role in engaging girls in computer science. The research suggests that making classrooms less 'geeky' and more inviting can increase girls' interest in enrolling in computer science courses, with 68% preferring non-stereotypical classrooms.

Health workers wasting expensive malaria drugs in Nigeria

A study by the London School of Hygiene & Tropical Medicine found that health workers trained to use malaria rapid diagnostic tests (RDTs) still prescribe valuable malaria medicines to patients without testing for malaria. The researchers tested 5,000 participants across 40 communities and found that RDT use remained less than 50% desp...

Short bouts of activity may offset lack of sustained exercise in kids

Researchers found that brief intervals of exercise during sedentary periods can lower children's blood glucose and insulin levels, and may protect against diabetes, cardiovascular disease, and cancer. The study suggests that even short activity breaks can help overcome negative effects on the body.

Impact origin of archean cratons: Learning from Venus

A new hypothesis suggests that large bolides pierced early thin lithosphere, causing massive partial melting and forming cratonic crust. This process is thought to have occurred on a Venus-like Earth, which preserved a more complete geological record of its infancy.

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.

Glial cells use lipids to direct neuron organization in the spinal cord

Scientists at RIKEN Brain Science Institute discovered that glial cells release phospholipid LysoPtdGlc, which repels pain-sensing axons and directs position-sensitive neurons to specific regions in the spinal cord. This lipid-based signaling system has potential as a therapeutic target for spinal cord injury.

Mystery of polar bear Knut's disease finally solved

Scientists solve the mystery of polar bear Knut's encephalitis, a rare autoimmune disease previously known only in humans. The discovery provides new insights into the possible prevalence of autoimmunity in humans and other mammals.

Evidence suggests subatomic particles could defy the standard model

A team of physicists has found new hints of particles being treated in strange ways not predicted by the Standard Model, suggesting evidence for non-standard physics. The discovery could be a significant lead in the search for new phenomena and potentially shed light on dark matter and dark energy.

Queen's researcher playing an important role improving psychology research

A study co-authored by Queen's University professor Stanka Fitneva found that the replicability rate for psychology research is lower than expected. The researchers' most important finding was that less than half of their studies produced the same findings as the original study, suggesting that publication bias may be a major issue in ...

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.

A new technique to make drugs more soluble

Researchers have developed a system to produce stable, amorphous nanoparticles that dissolve quickly and can be made from a wide range of materials, including inorganic substances with high crystallization propensity. These nanoparticles exhibit different electronic, magnetic, and optical properties than their crystalized counterparts.

CanDL database shines light on clinically important cancer gene mutations

Researchers at Ohio State University Comprehensive Cancer Center have designed an online database called CanDL to help molecular pathologists identify key cancer gene mutations. The freely accessible database includes information on 60 genes, 334 distinct variants and 169 unique matching literature references across multiple cancers.

Optimal exercise regimen could aid pulmonary hypertension patients

Researchers aim to optimize aerobic exercise training for patients with pulmonary arterial hypertension, which could improve blood pressure in the lungs, skeletal muscle, and heart metabolism. High-intensity interval training has shown promising results in reversing enlargement of the right ventricle and improving blood pressures.

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.

DNA sequencing used to identify thousands of fish eggs

A team of researchers used DNA barcoding to accurately identify over 13,000 fish eggs collected from the Ellen Browning Scripps Memorial Pier. The study provides a detailed picture of fish spawning patterns and creates a baseline for assessing future changes in spawning due to climate change.

Meta Quest 3 512GB

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

CWRU, NASA and fire departments team to protect firefighters

Case Western Reserve University researchers are developing sensors to alert structural and wildland firefighters of hazards in the air after they've entered the 'fire overhauling or mop up' phase. The sensors will expand on NASA's compact particulate and gas sensors to detect toxic gases, including formaldehyde and acrolein.

New survey on Americans' views on papal encyclical on climate change

A recent survey found that fewer than 1 in 3 Americans are aware of Pope Francis's efforts to publicize global warming as a priority issue for the Catholic Church. Most Americans support the pope's stance on the issue, despite few considering it a religious or social justice concern.