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Science News Archive November 2016


Page 34 of 38

Why bad genes aren't always bad news

A team of scientists discovered a comprehensive set of suppressive mutations in yeast cells, which could help explain how some people remain healthy despite carrying catastrophic mutations. The findings provide new insights into the complex relationship between genetic suppression and disease-causing mutations.

Words matter when talking about Alzheimer's

Researchers suggest shifting from 'curing' Alzheimer's to building resilience, acknowledging the disease is intertwined with aging processes. They propose education, infrastructure support and proper care as key components of societal response.

Tropical depression morphs into Meari in 1 day

Meari intensified from a tropical depression to a tropical storm in one day, now located 295 miles north of Yap and 500 miles west of Guam. Its maximum sustained winds are at 40 mph, and it is expected to turn west and northwest over the next few days.

Scientists decode the genome of Chinese licorice

Researchers have decoded the genome of Chinese licorice, a plant crucial in traditional Chinese medicine and natural sweetener. The study reveals the plant's genetic blueprint, which may facilitate the creation of sustainably bred strains with high glycyrrhizin content.

Apple iPhone 17 Pro

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

Gene regulation: Shaping up to make the cut

Researchers have discovered that distinct conformations of a protein essential for spliceosome assembly on mRNA precursors significantly influence splicing efficiency. The findings suggest that different structural configurations adopted by the large subunit of U2AF regulate splicing operations, affecting protein synthesis rates and fi...

How your diet can influence your environmental impact

A study published in Frontiers in Nutrition found that adopting a plant-based diet can significantly decrease the environmental impact and phosphorus footprint, with a potential reduction of 72% in phosphorus fertilizer requirements. This change has a moderate effect on reducing phosphorus excreted by the environment.

Meta Quest 3 512GB

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

'Worried well' may be boosting their risk of heart disease

Research published in BMJ Open found that people with health anxiety were twice as likely to develop heart disease as those without it. The study, based on 7,052 participants, suggests that health anxiety can be a significant risk factor for coronary artery disease.

Mammo outcomes improve when docs compare prior screenings

A study published in the American Journal of Roentgenology found that radiologists who compare prior mammograms with more than one image have better true-positive outcomes and fewer false-positives. This reduction in recall rates can lead to a decrease in anxiety, radiation exposure, biopsies, and healthcare costs for patients.

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.

Why some songs get stuck in your head

A study published by Durham University found that earworms, or songs that get stuck in your head, tend to have faster tempos, common melodic contours, and unusual interval structures. The researchers also identified specific songs with these characteristics, including Bad Romance and Don't Stop Believing.

Global hot spot maps link consumers with impacts

Researchers developed a way to map environmental footprints to specific locations, connecting economic activity and global supply chains with environmental impacts. This innovation allows governments, companies, and individuals to identify areas where they can participate in reducing emissions and air pollution.

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.

How the liver dances to a day/night rhythm

Scientists at EPFL and Nestéle Institute of Health Sciences identified 5000 proteins affected by the diurnal cycle in mouse liver cells. The study used cutting-edge proteomics to monitor protein accumulation over a 24-hour cycle, revealing key cellular functions such as DNA repair and ribosome biogenesis were also affected.

Predicting when the Arctic will have an ice-free summer

A new analysis reveals a direct correlation between carbon dioxide emissions and Arctic sea ice loss. The study suggests that reducing carbon emissions could slow the ongoing loss of summer ice and help achieve a 1.5°Celsius global warming target.

A secret ingredient to help heal spinal cord injuries?

Scientists have found a key protein, connective tissue growth factor A (ctgfa), that facilitates spinal cord regeneration in zebrafish. The protein promotes the formation of bridges across damaged tissue, leading to improved healing outcomes.

Kids continue to consume too much salt, putting them at risk

A new study by CDC researchers reveals that American children are consuming excessive sodium levels, exceeding the daily recommended limit. The average sodium intake for kids was found to be 3,256 milligrams per day, with nearly 90% of children surveyed exceeding the upper level of recommended sodium intake.

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.

Smart microscope adapts to changes in live specimens

The new 'smart' light-sheet microscope analyzes a specimen continuously and adjusts its settings to optimize image quality. Researchers achieved improvements in spatial resolution and signal strength by a factor of 2 to 5, making it easier to produce high-quality images of larger specimens.

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.

Insulin resistance reversed by removal of protein

A team of researchers at UC San Diego School of Medicine successfully reversed diabetic insulin resistance and glucose intolerance in mouse models by removing the protein galectin-3 (Gal3). This finding suggests that Gal3 inhibition could be an effective way to treat type 2 diabetes.

Non-native insects change more than native host plant survival

Research on non-native cycad herbivores reveals significant changes in leaf chemistry following herbivory, which can lead to faster litter decomposition and altered nutrient turnover rates. The study highlights the devastating consequences of invasive species on native ecosystems.

Mutation types in diverse cancers associated with smoking

Researchers identified distinct mutational signatures associated with tobacco smoke, including Signature 4 and Signature 5. These signatures are linked to specific types of cancer, such as lung and larynx cancers, and may be driven by a cytidine deaminase enzyme or other unknown mechanisms.

Study tests police training on rape, domestic violence victims

A new training initiative by the Houston Police Department is being tested for its effectiveness in reducing gender bias in police responses to sexual assault and domestic violence victims. The study, led by Sam Houston State University researchers, aims to improve the investigation and prosecution of these crimes.

Fluke 87V Industrial Digital Multimeter

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

Genetic marker found for resistance to malaria treatment in Cambodia

Scientists discovered genetic markers linked with piperaquine resistance in Plasmodium parasites, allowing health officials to monitor the spread of resistance and guide treatment decisions. The emergence of piperaquine resistance in Cambodia threatens global efforts to eliminate malaria.

Brain 'reads' sentences the same in English and Portuguese

A study published in NeuroImage found that brain activation patterns are the same when decoding sentences in English and Portuguese. The research team developed a machine-learning algorithm to recognize sentence meaning in Portuguese based on neural activation patterns learned from English, achieving 67% accuracy.

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.

Biodiversity needs citizen scientists

A recent study found that citizen science is a valuable source of data on species occurrence, particularly for birds in North America and Europe. However, less than 10% of this data is currently used in global biodiversity monitoring due to resource constraints and interoperability issues.

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.

Scientists set traps for atoms with single-particle precision

Researchers create reconfigurable array of traps for single atoms, enabling the manipulation of up to 50 individual atoms in separate traps deterministically. The technique uses lasers as optical tweezers to pick and hold individual atoms in place, paving the way for large-scale atom arrays in quantum computing.

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.

Smoking a pack a day for a year causes 150 mutations in lung cells

Researchers found that smoking one packet of cigarettes a day accumulates an average of 150 extra mutations in every lung cell, leading to increased cancer risk. The study also identified molecular fingerprints of DNA damage in smokers' DNA, revealing the complex mechanisms behind tobacco-related cancers.

A roadmap to life after the worst injuries, in times of war and peace

Military surgeons develop guidelines for treating devastating wounds, including massive blood transfusions and wound cleaning, to stabilize patients and prevent long-term complications. The review aims to improve trauma care in both military and civilian hospitals, reducing preventable deaths from injury.

Blood pressure may open door to personalized medicine for PTSD

A new study reports that soldiers with higher blood pressure before starting prazosin treatment experience better symptom reduction. The study identifies blood pressure as a biomarker that can predict individual response to the medication, potentially leading to personalized medicine approaches for PTSD treatment.

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.

Mutational signatures mark cancer's smoking gun

A study identifies telltale genetic fingerprints associated with smoking tobacco, demonstrating that smoking increases cancer risk by causing somatic mutations. The research found over 20 mutational signatures linked to tobacco smoking, with some signatures elevated in cancers from smokers.

First multicolor electron microscopy images revealed

Scientists have developed multicolor electron microscopy, enabling up to three colors (green, red, yellow) to be used in an image. The new method has potential applications in biology, distinguishing cellular compartments and tracking proteins.

Controlling the properties of matter in two-dimensional crystals

Scientists discovered that fluctuations in sulfur availability create atomic chains of molybdenum or tungsten in a two-dimensional alloy, controlling properties like heat transport and electronic behavior. This mechanism can be applied to a wide range of alloys in 2D crystals across the Periodic Table.

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.

Seven substances added to 14th Report on Carcinogens

The 14th Report on Carcinogens adds seven new substances to the list, including five viruses that have been linked to cancer in humans. Trichloroethylene, cobalt compounds, HIV-1, HTLV-1, EBV, KSHV, and MCV are among the newly listed substances, highlighting the importance of prevention strategies to reduce the world's cancer burden.

Tuberculosis bacteria find their ecological niche

A team of scientists analyzed TB bacterial strains and found they can be genetically subdivided into generalists with worldwide distribution and specialists with localized ecological niches. Generalists have a slightly increased diversity of antigens, allowing them to adapt more specifically to different human populations.

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.