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Science News Archive November 2015


Page 3 of 35

How finance ministers could fall in love with carbon pricing

A study finds that CO2 pricing can improve public welfare by investing in infrastructure. The research shows that finance ministers can benefit from this approach, as it yields a positive economic effect. The authors suggest that price targets can be an effective tool for climate policy, particularly for countries like Canada and Chile.

Lettuce quality is improved by modifying its growing conditions

A recent study by the University of the Basque Country found that altering lettuce growing conditions can enhance its nutritional quality. By subjecting plants to short-duration stresses, researchers were able to boost antioxidant compounds and increase biomass production without compromising productivity.

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.

What is left of our democratic ambitions?

Democracy faces challenges from polarization and increasing inequalities, argues Charles Taylor. Michael J. Sandel warns of the corrosive effect of neoliberal ideology, which disengages citizens from public affairs. Rebuilding a shared civic life is also crucial, according to both thinkers.

New and presumably tick-borne bacterium discovered in an Austrian fox

Researchers have discovered a new strain of Candidatus Neoehrlichia in an Austrian red fox, sparking concerns about potential zoonotic transmission. The bacterium is genetically intermediate between two previously recognized forms and has been linked to flu-like symptoms in humans and pets.

Climate migration in focus at official COP21 side event

At COP21, researchers from six European universities discuss the importance of political conditions and economic structures in shaping people's decisions to stay or migrate due to climate change. The main message emphasizes that drastic emission cuts can prevent projected climate migration.

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.

A horse's eye view: does a pony see what we see?

A study published in Biology Letters found that the eye views of ponies and other mammals are surprisingly similar to those of humans. Researchers used touchscreens to test visual perception in three ponies, comparing their results with studies on dolphins and chimps.

Can the oxygen in the blood be measured if the nails have been painted?

A systematic review of 440 participants found that nail varnish affects oxygen saturation measurements by up to 2%, but this is within error margins and not significant in clinical practice. Modern devices with high-performance LED technology can accurately measure oxygen saturation despite nail varnish.

The switch molecule

Researchers have developed a transistor that functions solely on a single molecule, eliminating the need for three electrodes. The switch's state can be altered using a single electron, offering new opportunities for ultra-small switches and increased integration densities.

Earth's first ecosystems were more complex than previously thought, study finds

A recent study has revealed that Earth's first large and complex organisms formed more intricate ecosystems than previously thought. The research focused on an extinct organism called Tribrachidium, which lived during the Ediacaran period, characterized by suspension feeding, a feeding mode not documented in ancient species.

Apple iPhone 17 Pro

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

Childhood asthma: Looking on the brighter side

Researchers found that infants exposed to farm dust at a young age have a lower risk of developing asthma later on. The study's findings suggest that the positive influence of farm environment can effectively neutralize the genetic variant associated with childhood asthma.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Whisper gallery modes in Silicon nanocones intensify luminescence

Researchers have discovered that silicon nanocones can intensify luminescence by up to 200 times compared to nanocolumns. This is due to the amplification of electromagnetic waves through whisper gallery modes, which facilitate increased electron excitation and release of light.

Revealing glacier flow with animated satellite images

The study uses satellite images to show how glaciers flow and change over a longer time period, revealing complex behavior such as advancing or surging at speeds up to 100 times faster than normal. The animations provide a new look at glacier dynamics and can be used as educational tools to help the public understand glacier movement.

How can I tell if she's lying?

A new video inventory developed at McGill University may aid in diagnosing disorders that make it hard for individuals to recognize non-literal speech like sarcasm and teasing. This is particularly challenging for men and people with conditions like Alzheimer's, Parkinson's, or Autism spectrum disorders.

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.

Rice basket study rethinks roots of human culture

A new study from the University of Exeter found that people can learn to make effective tools through reasoning and reverse engineering, not just through teaching. This discovery challenges established views on how human tools and technologies improve over time, pointing to humans' unique ability to adapt and innovate.

Rapid plankton growth in ocean seen as sign of carbon dioxide loading

A study led by Johns Hopkins University scientist suggests that rapid growth in tiny plankton's population is a sign of swift environmental change due to increased carbon dioxide in the ocean. The research highlights the possibility of rapid ecosystem change, potentially exceeding previously predicted models.

Mobile phone data 'predicts' wealth and poverty in Rwanda

A new study suggests that mobile phone metrics can be used to infer a person's socioeconomic status, particularly in resource-constrained regions like Rwanda. The researchers developed a model that maps poverty and wealth at high resolution, accurately predicting wealth throughout the country.

Top priorities named in hearing loss research

The top 10 research priorities for tackling mild to moderate hearing loss include addressing aspects of hearing aid provision, with the majority concerned with improving treatment outcomes. The list aims to re-focus future studies on areas with the greatest potential impact in furthering understanding and developing successful treatments.

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.

International disparities in measuring energy sources

The use of different methods to measure energy sources is a significant issue, affecting global efforts to combat climate change. The disparity in measuring energy statistics can lead to inaccurate targets and progress tracking.

Doping powers new thermoelectric material

Researchers at Northwestern University have developed a new thermoelectric material that converts waste heat to electricity more efficiently than previous materials. By doping tin selenide with sodium, they increased the material's performance, enabling it to produce significantly more electricity from the same amount of heat input.

Molecular trigger for Cerebral Cavernous Malformation identified

Researchers have identified the KLF4 protein as a crucial regulator in the development of Cerebral Cavernous Malformation (CCM), a disease characterized by vascular lesions that can lead to cerebral hemorrhage. The study suggests that blocking the development and progression of CCM could prevent mortality due to brain hemorrhage.

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.

Prestigious medical training awards announced

The University of Warwick has been awarded funding for 15 PhD studentships in quantitative cellular dynamics, molecular microbiology, and anti-microbial resistance. The partnership with the Medical Research Council will provide a strong interdisciplinary training programme to produce future leaders in biomedical research.

Functional human liver cells grown in the lab

A new technique has enabled the rapid expansion of functional human liver cells in the lab, opening up new avenues for studying drug toxicity, liver disease, and more. The method, known as the 'upcyte' process, allows for the generation of liver cells from multiple donors with similar characteristics to primary human hepatocytes.

Good medicine left on the shelf?

A new approach calculates an objective probability of treatment effectiveness, potentially revealing up to 20% of older treatments were mistakenly labelled as ineffective. Researchers may be dismissing treatments with small degrees of effectiveness due to flawed evaluation methods.

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.

Can Paris pledges avert severe climate change?

A study published in Science shows that Paris emissions reduction pledges have the potential to limit global warming to 2 degrees Celsius if implemented and followed by measures of equal or greater ambition. Implementing these pledges through 2030 and increasing efforts beyond can greatly reduce the chance of extreme warming.

Comparing therapies for a rare autoimmune disease

Researchers compared therapies for Neuromyelitis optica, a rare autoimmune disease of the central nervous system. Plasma exchange therapy proved more effective than steroids in treating the condition's relapsing symptoms.

Stem cell study paves the way for patient therapies

A new study has shown that human embryonic stem cells are fit for use in patients, paving the way for clinical trials of cell therapies. The research also establishes a cost-effective approach for monitoring the quality of stem cell-based products and emerging cell therapies.

Sperm 'see' it hot

A recent study published in Scientific Reports reveals that sperm utilize proteins from the visual system, known as opsins, to detect temperature differences in the fallopian tube. This allows them to navigate and orient towards the warmer egg location, ensuring successful fertilization.

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.

Tapping particles of light

Researchers have developed a mechanism to extract single photons from a stream, enabling practical applications in quantum communication. The discovery relies on a physical effect called single-photon Raman interaction, which allows for the selective capture of individual photons.

Using sphere packing models to explain the structure of forests

A team of scientists has developed a new method to assess the structure of natural forests using principles from stochastic geometry. The approach enables quick and accurate assessment of biomass estimates, revealing surprising low packing densities in tropical forests.

Genetic cause of cleft palates

A recent study led by Enno Klußmann and Veronika Anita Deák discovered that the GSKIP protein plays a crucial role in embryonic development, with implications for understanding Goldenhar syndrome. The research found a high degree of correlation between mouse and human genes responsible for the condition.

Rare disease is a lens on cancer

Researchers used a rare genetic childhood disease to reveal how cancer cells hijack a metabolic cycle to benefit themselves. The study found that silencing the ASS1 gene, which is lacking in some patients, can be beneficial for cancer growth and could lead to new treatments.

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.

Coming to a monitor near you: A defect-free, molecule-thick film

A team of engineers at UC Berkeley has developed a method to fix defects in monolayer semiconductors, increasing photoluminescence quantum yield by 100-fold. The technique uses an organic superacid to create defect-free material for applications such as transparent LED displays and high-performance transistors.

Study shows white matter damage caused by 'skunk-like' cannabis

A recent study by King's College London and Sapienza University of Rome found that frequent use of high potency 'skunk-like' cannabis can cause damage to the white matter in the brain. White matter consists of large bundles of nerve cell projections, enabling communication between different regions of the brain.

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.

Microbiologists discover enigmatic comammox microbes

Researchers identify a new type of bacteria, Nitrospira, capable of converting ammonia to nitrate through comammox process, revealing a long-sought organism in the nitrogen cycle. This discovery opens up new avenues for understanding the environment and wastewater treatment.

Insights into the 'dark zone'

Researchers at the Max Delbrück Center for Molecular Medicine found that FOXO1 is essential for both germinal center dark zone formation and efficient B cell response to pathogens. The study sheds light on the transcription factor's role in normal immune function, but further research is needed to understand its link to lymphomagenesis.

Improving health, 1 step at a time

A study published in BMJ Open found that Canadians living in densely-populated areas with close services report more utilitarian walking but have lower total physical activity. The researchers suggest that walkability can be an opportunity to integrate activity into daily life.

Don't forget plankton in climate change models, says study

Phytoplankton subjected to warmed water initially failed to thrive but evolved tolerance to temperatures expected by the end of the century. The shift enabled them to convert carbon dioxide into new biomass and improve models describing ecological effects of climate change.

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.

Increases in certain algae could impact carbon cycle

Research suggests certain types of carbon-intensive algae are flourishing as carbon pumps, removing CO2 from the atmosphere. A shift in phytoplankton dominance occurred over the past millennium, with a more recent transition happening in less than 200 years.

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.

A 'bottom up' approach to managing climate change

The Intended Nationally Determined Contributions (INDCs) represent a 'bottom up' approach to climate management, with countries setting their own emissions reduction targets. Fawcett and colleagues found that INDCs can help reduce the probability of worst levels of temperature change until 2100 and limit global warming to 2?C.

Finding fake feedback

Researchers develop algorithm to identify and block falsified feedback, ensuring ecommerce trust management systems' integrity. The algorithm uses a clustering approach to group similar ratings together and determine the credibility of individual ratings.

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.