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Science News Archive May 2019


Page 31 of 42

New clues about how ancient galaxies lit up the universe

New observations using NASA's Spitzer Space Telescope reveal that some of the earliest galaxies in the Universe were significantly brighter than anticipated. The excess light suggests that these galaxies released high amounts of ionising radiation, which may have played a key role in the Epoch of Reionisation.

Researchers discover 'daywake,' a siesta-suppressing gene

A Rutgers discovery identified a siesta-suppressing gene in fruit flies that helps creatures balance the benefits of napping against getting important activities done during the day. The 'daywake' gene regulates behavioral flexibility, allowing flies to seek food or mates when temperatures are cool.

When people get along, fish thrive

Researchers found that fully linked networks between social actors and ecological resources improve ecological conditions. Building community capacity through communication and trust can also lead to better outcomes for coral reef fisheries.

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.

Color vision found in fish that live in near darkness

Researchers discovered a previously unknown visual system allowing color vision in fish living beyond sunlight's reach. Fish such as the silver spinyfin possess multiple rod opsins, sensitive to different wavelengths, potentially used for detecting specific prey species through bioluminescent cues.

UIC to lead national COPD clinical trial

Researchers are conducting a multi-center study to determine which medication, azithromycin or roflumilast, is more effective in reducing the risk of death and hospitalization in people with COPD. The clinical trial will enroll over 3,000 patients at 30 centers across the US.

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.

Do most Americans believe in human-caused climate change?

A study found that varying question formats can significantly affect the proportion of Americans who believe in human-caused climate change. The researchers surveyed over 7,000 people and found that the acceptance rate ranged from 50% to 71%, depending on the format used.

Location is everything for plant cell differentiation

In Arabidopsis thaliana, the location of proteins within a cell and the position of the cell itself play crucial roles in determining cell type. The study found that ATML1 protein accumulation is inhibited in internal cell layers, leading to epidermal cell differentiation. This post-transcriptional regulation enables plants to form a s...

PSU researchers helping develop HIV prevention app for transgender women

Portland State University researchers are helping to develop a mobile app called Trans Women Connected aimed at reducing HIV among transgender women. The app will offer effective HIV and sexual health messaging tailored to the community's specific needs, including social support networks and trans-friendly healthcare resources.

Dexterous herring gulls learn new tricks to adapt their feeding habits

Researchers observed Herring Gulls developing a complicated behavior to 'skin' sea creatures, making them safe to eat. The birds grasp the sea squirt's tunic in their beaks, shake it to loosen the soft edible inner body, and then switch to hold and shake again until the inedible outer layer is removed.

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.

A link between mitochondrial damage and osteoporosis

A new study reveals that damage to mitochondria leads to an increased production of osteoclasts, which break down bone. This process is triggered by stress signaling in cells, leading to greater rates of bone resorption and potentially contributing to osteoporosis.

Scientists locate brain area where value decisions are made

Researchers identified the retrosplenial cortex as the brain region responsible for value-based decision-making, which is crucial for neurological conditions such as schizophrenia and dementia. The study used data from tens of thousands of neurons to show that the RSC maintains subjective value information until the next experience.

An electric tongue can handle more spicy foods than you can

Researchers at Washington State University found that an electronic tongue is more accurate and effective than human taste buds in tasting spicy foods. The e-tongue can handle high concentrations of heat without losing accuracy, allowing for faster and more precise testing of new products.

Apple iPhone 17 Pro

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

NASA-NOAA satellite catches formation of Tropical Cyclone Lili

Tropical Cyclone Lili forms in the Southern Indian Ocean, with NASA-NOAA's Suomi NPP satellite capturing its formation. The storm has maximum sustained winds near 40 knots (46 mph/74 kph) and is expected to strengthen slightly before weakening towards Timor.

VR can improve quality of life for people with dementia

Researchers at the University of Kent found that virtual reality helped patients recall old memories, providing positive mental stimulation. The study also showed improved social interaction between patients and their caregivers, as well as a boost in mood and motivation.

Fragmented turtles

Scientists studied the impact of fragmentation on Dahl's toad headed turtle populations in Colombia, finding restricted gene flow and genetic erosion. They recommend gene flow restoration via genetic rescue to counteract these threats and provide guidance for this strategy.

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.

How the dengue virus replicates in infected cells

The dengue virus uses nonstructural protein 1 (NS1) to replicate in infected cells, with a key role in viral RNA replication and formation of the membranous replication organelle. A novel interaction between NS1 and NS4A-2K-4B is required for viral RNA replication but not for replication organelle formation.

The origins of neuronal diversity in the developing mouse brain

A new study using FlashTag technology and single-cell RNA sequencing identified a core set of temporally patterned genes driving the shift in fate of neural progenitor cells. These molecular 'birthmarks' are transmitted from mother to daughter cells, influencing the types of neurons they will become.

New connection found between NAFLD and rare pregnancy complication

Researchers found a connection between intrahepatic cholestasis of pregnancy and non-alcoholic fatty liver disease, suggesting impaired bile acid metabolism as a potential link. Women with ICP were 5.7 times more likely to have a diagnosis of fatty liver disease than controls.

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.

Anger more harmful to health of older adults than sadness

A new study by American Psychological Association found that anger is more harmful to older adults' health than sadness. Anger was associated with higher levels of inflammation and chronic illness, particularly in those over 80 years old. In contrast, sadness did not contribute to inflammation or chronic illness.

UNC and partners receive up to $10.7 million to research chlamydia vaccine

Researchers at UNC will receive up to $10.7 million to develop a chlamydia vaccine, which could help women who suffer from infertility and chronic pelvic pain due to the infection. The project aims to identify specific T-cell and antibody responses that limit infection and inform antigens and adjuvants for vaccine development.

Adverse childhood experiences negatively impact adults with lupus

Researchers found that adults with lupus who experienced adverse childhood events report higher disease activity, depression, and poorer overall health. The study suggests that prevention of ACEs and promotion of resilient relationships may help improve outcomes for patients.

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.

Abrupt climate change drove early South American population decline

New research suggests that sudden and severe climate change caused widespread population decline across South America between 8,000 to 6,000 years ago. The study found that unpredictable rainfall levels had a negative impact on early populations until around 6,000 years ago.

What do parents of children with cancer search for online?

A study found that parents of children with cancer frequently search for health-related information, including ways to support their child and logistical issues. The study suggests that healthcare providers should consider these day-to-day concerns when offering family education and support.

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.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Physicists propose perfect material for lasers

Researchers from MIPT and Ioffe Institute discover Weyl semimetals as ideal gain media for lasers, eliminating Auger recombination. This breakthrough could lead to more efficient lasers in the visible and infrared range, and even terahertz applications.

Fluke 87V Industrial Digital Multimeter

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

Fibro-adipose vascular anomaly: Old wine or new cocktail?

Researchers evaluated clinical and radiological features of fibro-adipose vascular anomaly (FAVA), a soft-tissue vascular lesion. FAVA is characterized by unique clinico-radiological features, including a painful intramuscular lesion in extremities, progressive heterogeneous enhancement on MRI, and associated phlebectasia.

Researchers take a step towards light-based, brain-like computing chip

A team of researchers from the Universities of Münster, Oxford, and Exeter have developed a light-based hardware that mimics the behavior of neurons and synapses in the brain. The chip can process data much faster than traditional computers, enabling applications such as medical diagnoses and cancer cell identification.

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.

Australian doctors overprescribing flu antivirals

A large study found Australian doctors are overprescribing flu antivirals to patients at low risk of complications, putting them at risk of unnecessary side effects. The indiscriminate use of antivirals can lead to increased risk of antimicrobial resistance, researchers say.

Soaking up pharmaceuticals and personal care products from water

Scientists have developed an adsorbent membrane that can remove pharmaceuticals and personal care products from water, a problem exacerbated by increasing use of these substances worldwide. The membrane, coated with porous aromatic frameworks, has shown high capacities for removing three model PPCPs and was recyclable.

Stark racial, financial divides found in opioid addiction treatment

A new study reveals stark racial and financial divides in opioid addiction treatment, with white patients receiving nearly four times as many buprenorphine prescriptions as black patients. The study also found that three-quarters of buprenorphine prescriptions were given to those who paid cash or had private insurance.

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.

Grading conservation: Which reserves defend forests?

A recent study by Michigan State University researchers found that nature reserves close to cities are more effective at preventing deforestation than remote areas. The study evaluated China's protected areas and concluded that these reserves can sequester significant amounts of carbon dioxide, helping to combat global deforestation.

New poll shows how little we know about dying

A new poll reveals six in ten people know little about dying, with most getting information from family conversations and documentaries. The UK Academy of Medical Sciences launches a national campaign to empower public conversations about death and dying, citing concerns about pain and fear as major worries.

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.