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Science News Archive June 2017


Page 39 of 40

A new twist on uranium's origin story, by CSU scientists

Researchers found that up to 89% of uranium in Wyoming's roll front deposits is non-crystalline and bound to organic matter, contradicting conventional wisdom. This biogenic uranium has implications for environmental remediation and mining practices.

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.

A better dye job for roots -- in plants

A researcher at Salk Institute has discovered a fluorescent dye that reveals root growth is more influenced by auxin than thought, shedding light on the acidification theory and its role in plant growth. The study could inform faster-growing crop production or mitigate climate change effects.

Beyond broke bones, CTs also detect frailty and predict survival

A new study suggests that CT scans can be used to detect core muscle frailty in elderly patients with hip fractures, predicting survival rates and guiding treatment decisions. The research found that patients with better core muscle had significantly better survival rates over a 10-year period.

Nanosized silicon heater and thermometer combined to fight cancer

Scientists have found a biocompatible material in silicon that can heat up quickly and signal its temperature through Raman scattering. The nanoparticles are more efficient than gold at converting laser radiation into heat, making them a potential cheaper alternative to metal-based treatments.

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.

A noninvasive method for deep brain stimulation

Researchers have developed a noninvasive method for deep brain stimulation using electrodes placed on the scalp, which could make the treatment less risky, less expensive, and more accessible. The approach has shown promising results in treating Parkinson's disease and other conditions, with no harmful effects detected.

LIGO detects gravitational waves for third time

The Laser Interferometer Gravitational-wave Observatory (LIGO) has confirmed the third detection of gravitational waves, revealing a population of black holes that were previously unknown. The detected black holes have masses ranging from 21 to 49 times that of the sun, shedding light on the existence of heavy black hole pairs.

Why pot-smoking declines -- but doesn't end -- with parenthood

A study by the University of Washington's Social Development Research Group found that adult marijuana use declines with parenthood, but doesn't end. The research, published in Prevention Science, surveyed 808 adults over a 12-year period and found that parents' marijuana use is strongly related to their children's use.

Immunology: How ancestry shapes our immune cells

A recent study has shown that a gene variant in Duffy-negative individuals leads to a relative paucity of circulating neutrophils. This phenomenon may provide a selective advantage against infections such as malaria. Researchers believe that the specific properties of these neutrophils have a positive impact on innate 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.

Why antibiotics fail

UCSB biologists develop new antimicrobial susceptibility test that mimics conditions in the body, identifying effective treatments for diverse bacteria. The revised test has significant implications for public health, allowing physicians to choose alternative drugs immediately if a standard test fails.

Apple iPhone 17 Pro

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

Yale chemists forge a new path in the search for antibiotics

Researchers at Yale University have developed a novel chemical process to create a new class of antibiotics, which could help combat growing resistance. The discovery uses simple commercial chemicals to produce molecules related to the natural product pleuromutilin.

Fred Hutch scientists to discuss new treatments, public health findings at ASCO

Researchers from Fred Hutch Cancer Center are showcasing promising new treatments for various types of cancer, including pancreatic cancer, Merkel cell carcinoma, and early-stage breast cancer. The findings suggest that experimental drugs, triple immunotherapy, and novel sarcoma vaccines may provide extended progression-free survival p...

Auditory perception: Where microseconds matter

A study has identified a specific combination of mechanisms that allows auditory neurons to measure the difference between sound signal arrival times at the two ears with high accuracy. The researchers found that certain structural features of the nerve cells' wrapping play a crucial role in this process.

Rice U. scientists slash computations for deep learning

Researchers at Rice University have developed a new technique that reduces computational overhead for deep learning by up to 95% using hashing, a tried-and-true data-indexing method. The technique blends locality-sensitive hashing and sparse backpropagation to achieve significant savings in energy and time.

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.

Highly sensitive nanosensors to prevent catastrophes

Researchers at Griffith University are developing highly sensitive nanoscale sensors to monitor strain, pressure, flow rate, magnetic field and temperature in harsh environments. The project aims to improve the safety and efficiency of oil and gas delivery systems in Australia.

Emotions expressed by the dying are unexpectedly positive

A recent study found that terminally ill patients and inmates facing execution expressed more positive emotions in their writings near death, with a focus on finding meaning and connection. The researchers suggest that this positivity may be a result of people focusing on the aspects of life that bring them joy and love.

Artificial transpiration for solar water purification

Researchers have developed a 3D graphene oxide based artificial transpiration device with high solar vapor efficiency, minimizing convection and conduction losses. The device can also collect more sunlight throughout the day and enable effective water treatment through two pathways.

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.

Low cost, scalable water-splitting fuels the future hydrogen economy

Researchers from Penn State and Florida State University have developed a new, industrially scalable catalyst that splits water into hydrogen with minimal external energy. The molybdenum disulfide alloy improves the efficiency of the process, enabling cheaper production of clean hydrogen fuel.

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.

Locked movement in molecular motor and rotor

Researchers at University of Groningen create light-driven rotary motor with locked movement, where naphthalene rotor synchronizes with motor rotation. This breakthrough demonstrates synchronization of movement in artificial systems, a fundamental step towards molecular machine development.

Breaking Newton's Law

A quantum particle oscillates back and forth when interacting with a gas of Cesium atoms at extremely low temperatures. This behavior challenges Newton's laws of motion, as the particle's motion is restricted to the direction of the tubes.

How to block type 1 diabetes

A recent study has made a breakthrough in understanding the autoimmune process that leads to type 1 diabetes, finding a way to protect beta cells from destruction. By targeting the activation of B cells, researchers were able to prevent diabetes in non-obese diabetic mice.

Geoscientific evidence for subglacial lakes

Researchers discovered evidence of subglacial lakes on the Antarctic continental shelf, which accelerated glacial retreat and provided an archive of environmental conditions. The lake sediments contain components that are difficult to date, but scientists can still infer changes in climate.

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.

The part of rice we don't eat may be highly nutritious

A recent study published in Rice journal reveals that rice bran contains high levels of essential vitamins, amino acids, and antioxidants, making it a potential health food. The researchers identified over 400 compounds in rice bran that could provide medicinal benefits.

Omega-3 fatty acid stops lupus trigger, but how?

Researchers at Michigan State University are studying how DHA prevents the onset of lupus when triggered by inhaling toxic minerals. The study aims to understand the cellular mechanisms behind this phenomenon and explore potential nutritional interventions to prevent disease flaring and progression.

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.

Researchers find chromosome cooperation is long-distance endeavor

A team of scientists has discovered that multiple genomic elements work cooperatively over long distances to ensure proper chromosome function. This finding offers new insights into the complexity of gene regulation and its significance in understanding abnormalities.

Religious individuals regret having casual sex only slightly more

A recent Norwegian study found that religious individuals regret casual sex only slightly more than non-religious individuals. However, women regret their most recent one-night stand much more than men do, while men regret missing an opportunity much more than women do.

Who has better mental health: Public or private college students?

Researchers at Georgia Tech found that students at higher-ranked colleges have better mental health, with lower stress and anxiety levels. Large public schools with more female students tend to have poorer mental health indexes due to a lack of financial and academic anxiety posts.

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.

Unexpected mechanism behind chronic nerve pain

Researchers at Karolinska Institutet have found that a small RNA molecule in sensory neurons regulates how touch is perceived, leading to increased pain sensitivity after nerve damage. The study's results suggest that microRNA-based drugs could be a promising treatment option for chronic nerve pain.

Researchers flip the script on magnetocapacitance

A new phenomenon in spintronics was discovered by altering capacitance by manipulating spins in the opposite way from normal magnetocapacitance. This inverse effect allows for more parameter space to design devices, potentially useful in magnetic sensors for computer hard drives and random access memory chips.

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.

New approach set to make peptide stapling widely available

A new method developed by UK scientists makes peptide stapling cheaper and more versatile, allowing for easier manipulation of peptides in drug discovery. The approach enables the constraining, delivering, and unconstraining of peptides, improving their pharmacokinetic properties and potential as drugs.

Puberty hormones trigger changes in youthful learning

A University of California, Berkeley study found that puberty hormones can reduce brain plasticity in young girls, potentially affecting their ability to learn and adapt. The study suggests that the early onset of puberty, driven by factors like stress and obesity, may have broad implications for girls' education and health.

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.

New teen drivers 3 times as likely to be involved in a deadly crash

According to a new study by the AAA Foundation for Traffic Safety, teen drivers aged 16-17 are three times more likely to be involved in a fatal crash compared to adult drivers. The '100 Deadliest Days' period between Memorial Day and Labor Day sees an alarming spike in deadly crashes involving inexperienced teen drivers.

Meta Quest 3 512GB

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

A mother's age doesn't matter

A recent study found that mothers' ages don't contribute to preterm births or low birth weights; rather, factors like fertility problems, stress, and unhealthy behaviors may play a role. This research suggests women shouldn't worry about their age when considering having children.

Asthma intervention study points to care and cost benefits

Community pharmacist-led interventions have been shown to significantly improve asthma control in patients, with a 76% increase in achieving good control compared to standard care. The economic benefits of these interventions are also substantial, with estimated annual savings of €72 billion in the European Union.