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Science News Archive February 2019


Page 7 of 40

Stellar wind of old stars reveals existence of a partner

A study by KU Leuven reveals that red giants lose less mass than previously thought, as their stellar winds are affected by an overlooked partner star. This discovery challenges the long-held assumption of high mass loss rates for these stars.

Blue whale memory and migration

Researchers found that blue whales' migration patterns are driven by the timing of spring phytoplankton blooms and their ability to remember stable foraging sites. This allows them to optimize food tracking and forage in areas with higher long-term productivity.

Apple iPhone 17 Pro

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

Breakthrough shines light on disease-fighting protein

Researchers have obtained the highest-resolution structure of the fungal protein Hsp104, a hexameric AAA+ protein that helps repair misfolded proteins. The study's findings reveal a helical structure for Hsp104 hexamers, contrary to previous beliefs, and provide new insights into its function.

Reassessing spinal curvature of Neandertals

A recent reanalysis of a Neandertal individual's vertebrae and pelvis suggests that their spinal curvatures were within the range of normal modern human posture, except for disease-related effects. The findings challenge previous interpretations of Neandertal anatomy as functionally different from those of modern humans.

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 disconnect between migrants' stories and their health

A small Ohio State University study found a disconnect between Mexican immigrants' positive accounts of living in the US and their physical signs of stress, such as high blood pressure and obesity. The researchers believe these migrants use positive narratives to cope with discrimination and stress.

Celestron NexStar 8SE Computerized Telescope

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

Cost and performance of fuel cells

According to a study of expert assessments, the current cost of proton exchange membrane fuel cells is unlikely to meet US Department of Energy targets by 2020. Experts identify catalytic metals as a significant barrier to cost reduction, highlighting the need for research and development in catalysts and electrodes.

Fat cells work different 'shifts' throughout the day

Researchers identified 727 genes in fat tissue that express their own circadian rhythm, many carrying out key metabolic functions. Morning-peaking transcripts regulate gene expression and nucleic acid biology, while evening-peaking transcripts are associated with redox activity and organic acid metabolism.

An easier way to engineer plants

A new genetic tool has been developed by MIT researchers, allowing for easier engineering of plants that can survive drought or resist fungal infections. The technique uses nanoparticles to deliver genes into the chloroplasts of plant cells, which have the potential to revolutionize plant biology and agriculture.

OSU ramping up research to better predict wildfire behavior

Researchers at Oregon State University are studying the burning behavior of live fuels to better predict wildfire spread. The team aims to identify key factors driving differences in burning behavior, enabling more accurate fire models for Department of Defense managers.

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.

Researchers find the immune system's unknown messenger

Researchers have identified a novel messenger protein that rapidly alarms neighboring cells, enabling a swift response against bacterial and viral infections. This discovery holds promise for understanding and treating infectious diseases, including autoimmune conditions such as Lupus.

Rare cancers: A growing focus of early-stage clinical trials

The proportion of early-stage drug trials tackling rare cancer types has increased sharply, with the analysis highlighting a changing treatment landscape. New molecularly-targeted anticancer drugs and immunotherapy are being evaluated for less common tumour types.

Giant animals lived in Amazonian mega-wetland

Researchers have discovered that Lake Pebas, a massive wetland in western Amazonia, existed until 8.5 million years ago, contrary to previous assumptions. The lake's presence was confirmed through geochronology of mineral zircon specimens from two paleontological sites, providing new insights into the region's geological history.

Early life stress alters helping behavior of meerkat offspring

A University of Michigan study found that stressed Kalahari meerkat mothers alter the growth and behavior of their daughters, leading them to redirect energy towards helping future offspring, thereby benefiting their mothers. This phenomenon highlights a unique example of maternal effects on offspring in nonhuman animals.

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.

Annual FIT home stool test effective for CRC screening rates

The Annual FIT home stool test is effective for colon cancer screening in asymptomatic adults, with moderate to high sensitivity and specificity. Adopting this non-invasive test could improve lagging CRC screening rates, especially among vulnerable populations.

New periodic table of droplets could help solve crimes

A new periodic table of droplets has been created to classify their motion, with potential applications in crime-scene forensics. The table can help analyze blood spatter patterns and identify the energies involved, aiding in the inference of what caused certain spatters.

When sand-slithering snakes behave like light waves

Researchers discovered that snakes behave like light waves when colliding with obstacles, altering their trajectories through passive mechanisms. The study reveals insights into how limbless animals control their bodies in complex environments.

Urban parks could make you happier

Researchers from the University of Alabama at Birmingham found that spending 20 minutes in an urban park can boost happiness and reduce mental fatigue. The study suggests that time spent in a park is more important than physical activity for emotional well-being.

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.

Eye contact prepares brains for social interaction

A neuroimaging study found that real-time eye contact between individuals simultaneously activates the same areas of each person's brain. This suggests that eye contact prepares the social brain for sharing mental states with others, enhancing connectivity within the limbic mirror system.

Old stars live longer than we thought

Researchers have discovered a binary interaction between stars, leading to slower mass loss rates. This changes our understanding of how stars end their lives and the chemical evolution of galaxies.

Neanderthals walked upright just like the humans of today

Researchers from the University of Zurich have virtually reconstructed a Neanderthal skeleton and found that they walked upright with a curved lumbar region and neck, similar to modern humans. This challenges previous reconstructions that depicted Neanderthals as having poor posture.

Fluke 87V Industrial Digital Multimeter

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

Federal fire grant spending could be more balanced, new model suggests

A new model developed by University at Buffalo engineers emphasizes an additional factor: the losses associated with human fatalities and injuries. This tweak throws the current system off-track, suggesting that some states receive an outsized share of fire protection money, while others are shortchanged.

How a certain bacterium communicates and makes us sick

Researchers at Binghamton University discovered how a Gram-negative bacterium delivers toxins that make us sick. The study found that the communication molecule inserts itself into the membrane to physically stimulate vesicle production, which contains highly concentrated toxins.

130,000 years of data show peatlands store carbon long-term

A new study reveals that peatlands have been a significant carbon sink over the past 130,000 years, storing carbon in their deposits and potentially slowing down climate change. The research, published in PNAS, fills a key knowledge gap about the global extent of peatlands and their role in the carbon cycle.

Wild carnivores stage a comeback in Britain

The study found that Britain's native mammalian carnivores have largely recovered since the 1960s, with otters, badgers, and pine martens showing significant improvements. The species' recovery is attributed to legal protection, conservation, and restoration of habitats.

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.

Tweets tell scientists how quickly we normalize unusual weather

Researchers analyzed over 2 billion US Twitter posts to understand public perception of climate change. They found that people tend to forget what they consider 'normal' weather within 2-8 years, leading to a disconnect between historical climate records and personal opinions.

New microfluidics device can detect cancer cells in blood

Researchers developed a microfluidic device that can isolate individual cancer cells from patient blood samples using size separation. The device has high efficiency and reliability, with recovery rates of up to 93% for small-cell-lung cancer cells.

Mini-tornadoes of spores illuminated during raindrop impact

A recent study published in PNAS revealed that raindrop impact can transport rust spores using tornado-like air vortices, enabling long-distance pathogen spread. This discovery has significant implications for preventing disease spread in wheat crops and may inform new strategies for managing disease.

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.

Boost for Australian grain industry

Researchers at La Trobe University and CSIRO found that early sowing of winter wheats can increase Australian wheat crop yields and global food security. The approach could add $1.8 billion to the national economy, with potential yield increases of 20%.

Breakthrough 'lab-on-a-chip' detects cancer faster, cheaper and less invasively

Researchers at the University of Kansas have developed a 'lab-on-a-chip' that can detect cancer in a minuscule amount of plasma, leading to timelier interventions and better outcomes for patients. The device uses a 3D nanoengineering method to mix and sense biological elements more efficiently, enabling faster and cheaper detection.

A new sequencing method to detect DNA modifications of relevance to cancer

A new sequencing method, TET-assisted pyridine borane sequencing (TAPS), detects chemical modifications to DNA that contribute to cancer progression and resistance to therapy. The method is less damaging and more efficient than bisulfite sequencing, enabling the detection of mutations and structural variations.

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.

New parents face 6 years of disrupted sleep

Researchers found that new mothers and fathers experience decreased sleep duration and satisfaction for up to six years after giving birth. Mothers tend to experience more severe sleep disruption than fathers due to their increased caregiving responsibilities.

Some personal beliefs and morals may stem from genetics

Researchers found a link between genetic similarity and parenting in shaping virtuous character traits, including responsibility and conscientiousness. The study used data from 720 pairs of siblings to analyze the relationship between genetics and environment.

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.

Few kids' multivitamin products supply recommended daily vitamin D dose

A survey of 91 different multivitamins and vitamin D supplements for children in the UK found that many do not provide the recommended daily dose of 400 IU of vitamin D. Only one multivitamin was suitable for use from birth, while between a quarter and a third of available products supplied at least 400 IU/day for children over 6 months.

Two treatments help dialysis patients with depression, study finds

Researchers found that cognitive behavioral therapy and the drug sertraline effectively reduce depression among people undergoing maintenance hemodialysis. The study, published in Annals of Internal Medicine, suggests that physicians should select the treatment available to patients, considering each comes with its own burdens.

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.

World's first skin atlas to see the light of day

The Proteomic Skin Atlas maps human skin molecules and functions, shedding light on skin diseases like psoriasis and eczema. Researchers hope to accelerate research and develop new treatments for the 3,000 known skin diseases.

With nanotubes, genetic engineering in plants is easy-peasy

Researchers at UC Berkeley have developed a new technique that uses carbon nanotubes to deliver genes into plant cells, allowing for non-GMO modifications. The method is highly successful and can be used for gene editing with CRISPR-Cas9, enabling the creation of disease- or drought-resistant crops.

Avoiding the crack of doom

Researchers at NIST have developed a new imaging technique that can observe the effects of strain at the single-molecule level, allowing for better design of composite materials. The technique uses super-resolution optical microscopy to track the alignment of molecules in response to applied force.

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.

A very human machine

Researchers at Harvard University have developed a novel brain implant that mimics the appearance, size, and flexibility of real neurons, allowing for stable monitoring of neural signals and potential treatment of neurological disorders. The implants inspire negligible immune response and may even encourage tissue regeneration.

Identifying the common ground for sustainable agriculture in Europe

Researchers at Lund University have identified 32 key variables that are prioritized by all three groups: researchers, policymakers, and farmers. These variables focus on drivers related to policies, farm management choices, and environmental outcomes. The study highlights the need for alignment between research, policy, and practice t...