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Science News Archive January 2014


Page 23 of 28

Nutrition guidelines needed for full-service restaurant chains

A study of over 2,600 menu items found that full-service restaurants in Philadelphia exceed daily recommended values for calories, fat, and sodium. Nutrition education can help consumers make informed choices, but policy changes are necessary to promote healthier options.

Neolithic mural may depict ancient eruption

Scientists analyzed volcanic rock samples from Turkey's Hasan Dagi volcano and found ages that overlap with the estimated time of a Çatalhöyük Neolithic site mural. The mural is believed to depict an explosive eruption of the volcano, which closely matches the dated timeline.

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.

Tracking the deep sea paths of tiger sharks

A four-year study tracked the migratory patterns of 33 tiger sharks across the Coral Sea. Coastal marine parks offer limited protection to these apex predators, whereas oceanic reefs are crucial for their ecology and require prioritization in conservation efforts.

Researchers grapple with UK's nuclear legacy

A £8 million project at the University of Leeds is developing new technologies to handle different types of spent fuels, packaging and storing waste, and dealing with nuclear sludges. The research consortium brings together academics, industry experts, and government advisors to tackle Britain's nuclear legacy.

Older firefighters may be more resilient to working in heat

A recent study found that older firefighters who are chronically exposed to heat stress on the job may be able to tolerate more challenging work environments before feeling affected by the heat. This increased heat resilience could enable them to perform tasks without stopping due to thermal strain, thereby reducing the risk of injurie...

Apple iPhone 17 Pro

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

Molecular engines star in new model of DNA repair

Researchers at NYU Langone Health discover how RNA polymerase patrols the genome for DNA damage and recruits partners to repair it, leading to fewer mutations and less disease. The study's findings have major implications for our understanding of DNA repair and its role in cancer and aging.

Marine bacteria to fight tough infections

Researchers from the University of Copenhagen have identified marine bacteria that can effectively inhibit the ability of staphylococci to form toxins and camouflage proteins. These compounds, known as antivirulence therapy, may offer a new solution for treating resistant bacterial infections.

Elephant shark genome decoded

Researchers have sequenced the elephant shark genome, providing new insights into bone formation and adaptive immunity. The study reveals a family of genes essential for bone development and identifies a lack of immune cells in sharks, despite robust immune responses.

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.

Discovery brings scientists 1 step closer to understanding tendon injury

Researchers at Queen Mary University of London uncovered a critical mechanism in tendon function, revealing why older individuals are more prone to tendon injuries. The study found that fascicle helices are essential for tendon elasticity and that ageing alters this structure, increasing the risk of injury.

UCLA life scientists, colleagues differentiate microbial good and evil

Researchers have identified a group of bacteria from the genus Burkholderia that can be used to fertilize crops without harming humans. These beneficial strains fix atmospheric nitrogen into ammonia, which helps plants thrive. The discovery has significant implications for sustainable agriculture in less productive areas.

Quasars illuminate swiftly swirling clouds around galaxies

Researchers used data from the Sloan Digital Sky Survey to discover measurable shifts in giant gas clouds around galaxies in a span of just five years. The findings suggest that these clouds are much smaller than previously thought, with implications for how galaxies form and evolve over time.

On-field blood test can diagnose sports concussions

A new on-field blood test can accurately diagnose sports concussions, distinguishing them from physical exertion. S100B levels rise significantly after a concussion, making it a promising biomarker for head injuries.

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.

Literary mood reflects the economic mood of past 10 years, study finds

A recent study found a strong correlation between literary misery and economic conditions over the past decade. The researchers analyzed millions of books published in English to develop a 'literary misery index,' which reflected the relative abundance of sadness words minus happiness words.

Researchers unveil rich world of fish biofluorescence

A team of researchers has identified more than 180 species of fish that exhibit biofluorescence, a phenomenon where organisms absorb and emit light of different colors. The study reveals the widespread distribution of biofluorescence across marine fish species, indicating its potential use in communication and mating.

Higher risk of birth problems after assisted conception

A comprehensive study of over 300,000 births in South Australia found that babies conceived through assisted reproductive therapies had a higher risk of stillbirth, preterm birth, low birth weight, and neonatal death compared to naturally conceived babies. The risks varied depending on the type of assisted conception used.

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.

AML score that combines genetic and epigenetic changes might help guide therapy

Researchers at Ohio State University discovered a seven-gene panel associated with DNA methylation that can identify patients with the best or poorest outcomes in acute myeloid leukemia (AML) treatment. Patients with low scores, indicating few highly expressed genes, had better complete-remission rates and longer survival rates.

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.

Scientists make your stomach turn bright green if you have an ulcer

Researchers at the University of Southern Denmark have developed a new, safer, and noninvasive diagnostic technique for stomach ulcers. The technique makes the ulcer-causing bacteria in the gut light up in fluorescent green, allowing doctors to detect ulcers instantly without taking tissue samples.

Researchers propose alternative way to allocate science funding

Researchers propose an alternative way to allocate science funding by distributing funds collectively among the scientific community. This approach could save time, money, and encourage innovation, while also allowing for more flexible funding and potentially changing publication practices.

Bio-inspired glue keeps hearts securely sealed

Researchers developed a bio-inspired adhesive that rapidly attaches biodegradable patches in a beating heart, addressing drawbacks of previous systems. The adhesive maintains strong sticking power in the presence of blood and remains attached even at increased heart rates and blood pressure.

Meta Quest 3 512GB

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

Penn biologists establish new method for studying RNA's regulatory 'footprint'

Researchers have created a technique called PIP-seq to map all interactions between RNA and proteins. The study identifies potential disease-causing genetic mutations in regions of RNAs where RNA-binding proteins bind, providing new insights into neurological diseases like Parkinson's. The data is publicly available online.

Bacteria linked to water breaking prematurely during pregnancy

Researchers at Duke University Medical Center found a high presence of bacteria at the site where fetal membranes rupture may be associated with premature water breaking. The study suggests that bacterial presence is linked to thinning of the fetal membranes, which can lead to preterm births.

A 1-percent measure of galaxies half the universe away

Researchers from the Baryon Oscillation Spectroscopic Survey (BOSS) have measured galaxy distances over six billion light-years away to an unprecedented one-percent accuracy. This achievement places new constraints on dark energy and provides valuable insights into the mysterious force driving the universe's accelerating expansion.

2 million years ago, human relative 'Nutcracker Man' lived on tiger nuts

A study published in PLOS ONE suggests that early hominins like Paranthropus boisei ate a diet of tiger nuts, fruits, and insects, providing enough nutrients for their large brains. The research calculates that a hominin could extract sufficient calories from tiger nuts in just two to three hours per day.

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.

Massive exoplanets may be more Earth-like than thought

Researchers challenge conventional wisdom that super-Earths are waterworlds, proposing they can have exposed continents and an Earth-like climate. The model suggests most tectonically active super-Earths store water in the mantle, enabling a stable climate.

The ironic (and surprising) effects of weight stigma

UCSB psychology professor Brenda Major found that weight-stigmatizing messages can actually lead to increased eating and reduced self-control in overweight women. The study suggests that these messages can exacerbate feelings of helplessness, causing individuals to engage in unhealthy eating habits.

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.

Bed bugs grow faster in groups

A recent study published in the Journal of Medical Entomology found that bed bug nymphs develop 2.2 days faster when living in groups than as solitary individuals. This significant difference suggests that social interaction plays a key role in accelerating bed bug development.

New study finds extreme longevity in white sharks

Researchers analyzed vertebrae from four females and four males in the northwestern Atlantic Ocean, determining ages of up to 40 years for females and 73 years for males. The study used radiocarbon analysis to pinpoint age in the vertebra layers, providing irrefutable evidence of white shark longevity.

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.

Stopping tumors in their path

Researchers from McGill University have identified two transcription factors controlling the expression of genes involved in GBM tumourigenesis. Impairing these proteins could significantly reduce the ability of brain tumour-initiating cells to give rise to brain tumors.

Fungi may determine the future of soil carbon

Research by Smithsonian Tropical Research Institute scientist Benjamin Turner and colleagues reveals that fungi are a key driver of soil carbon storage. Fungi can lead to 70% more carbon in the soil by accessing organic forms of nitrogen, limiting the activity of microorganisms that break down dead organic matter.

Negative feedback makes cells 'sensitive'

Cells lacking negative feedback loops become insensitive to growth stimuli, similar to cancerous cells. Researchers used automated imaging and mathematical analysis to show that mutant cells cannot detect growth factor levels.

Seniors moving to HCBS face more hospital risk

A new study found that seniors transitioning from nursing homes to home and community-based care (HCBS) face a 40% greater risk of preventable hospitalizations. The practice resulted in more hospitalizations among seniors dually eligible for Medicaid and Medicare due to inadequate medical support services in community settings.

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.

Chemical imaging brings cancer tissue analysis into the digital age

A new method for analyzing biological samples based on their chemical makeup is set to transform the way medical scientists examine diseased tissue. The technology uses mass spectrometry imaging (MSI) to identify tissue types, providing more detailed information than standard histological tests.

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 discovers natural hybridization produced dolphin species

A new study published in PLOS ONE reveals that the clymene dolphin, a small marine mammal, arose through natural hybridization between two closely related dolphin species. The research provides insights into the mechanisms of evolution and highlights the importance of continued monitoring for this threatened species.

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.

Study explains origins of giant underwater waves

Giant underwater waves, invisible to the eye, are produced by temperature and salinity differences in ocean water. These internal waves, resembling surface waves in shape, play a key role in mixing ocean waters, driving warm surface waters downward and drawing heat from the atmosphere.

Research reveals new therapeutic target for Huntington's disease

Research reveals Metabotropic Glutamate Receptor 5 (mGluR5) as a potential therapeutic target for treating movement disorders like Huntington's disease. The study found that blocking mGluR5 improved motor behaviors in a mouse model, suggesting its potential for treating Parkinson's disease as well.

Nociceptin: Nature's balm for the stressed brain

Researchers have confirmed the importance of the nociceptin system in modulating the effects of stress. The study found that this system can prevent and even reverse some cellular effects of acute stress in an animal model.

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.