Bluesky Facebook Reddit Email

Science News Archive April 2019


Page 25 of 44

CD30: From witness to culprit

Researchers developed a mouse model to investigate the role of persistent CD30 signaling in blood cancer development. They found that permanent CD30 activation increases the risk of B-cell lymphoma and can trigger cancer through misdirected cellular processes.

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.

SRC-1 gene variants linked to human obesity

Researchers discover SRC-1 gene variants disrupt body weight regulation in mice and humans, highlighting the protein's key role in the hypothalamus. Genetic variants identified in severely obese children contribute to poor body weight control.

The interface makes the difference

A collaboration of researchers from ICIQ and ICMAB-CSIC investigated the impact of changing Hole Transport Materials in perovskite solar cells. They found that the surfaces and interfaces created in the solar cell stack have a crucial role in functional device performances.

Researchers develop effective method to diagnose pancreatic cancer

A new diagnostic method for pancreatic cancer has been developed by researchers at the University of Copenhagen, utilizing circular DNA to identify cancer cells in blood tests. The technology is expected to classify cancer cells in individual patients and implement personalized treatment regimens, leading to increased survival rates.

The trouble with thaw

A recent study reveals that thawing Alaskan permafrost is releasing about twelve times higher amounts of nitrous oxide than previously assumed, making it a significant contributor to global warming. The potent greenhouse gas can stay in the atmosphere for up to 114 years, posing an additional threat to the ozone layer.

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.

Increase in foreign body ingestions among young children

A new study found that foreign body ingestions among children under six increased by 91.5% between 1995 and 2015, with coins being the most common item ingested. The rate of ingestions per 10,000 children rose from 9.5 in 1995 to 18 in 2015.

Clear sight in the data fog with PAGA

Researchers use PAGA to study developmental processes and understand disease progression. The tool groups cells by type and biological state, revealing transitions between cell types and states, and delivering important results in a clinical context.

App predicts risk of developing hernia following abdominal surgery

The Penn-developed tool uses big data to identify risk factors for incisional hernias, including history of abdominal surgery, smoking, and recent infection. The app combines this data to generate a real-time risk score, potentially helping surgeons make informed decisions about patient care.

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.

Abnormal proteins correlate with aggressive behavior in dementia

Researchers found a strong correlation between abnormal proteins and criminal behavior in dementia sufferers, especially those with frontotemporal dementia. The study of 220 deceased patients showed that 42% of FTD patients committed repeated crimes, compared to 15% of Alzheimer's patients.

Move more to live longer

A large study found that moving more is linked to living longer, with a 2.8% reduction in all-cause mortality for each milliliter increase in maximal oxygen uptake. The benefits of fitness were seen in men and women across all age groups and fitness levels.

Bacteria surrounding coral reefs change in synchrony, even across great distance

Researchers discovered that bacteria in coral reef waters change dramatically at night, and then return to the same daytime community the next morning. A group of microbes called Psychrobacter appears to be leading the way, dominating the marine microbial community during the day and being a hundred times more abundant at night.

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.

Want to learn a new skill? Take some short breaks

A recent NIH study suggests that taking short breaks can strengthen memories of new skills by solidifying them in the brain. Researchers found that volunteers' performance improved primarily during rest periods and not during practice, with gains correlating to changes in brain wave patterns.

Improved procedure for cancer-related erectile dysfunction

Researchers have modified a minimally invasive technique to help men regain erectile function lost after prostate cancer surgery. The 'end-to-side' nerve grafting procedure has shown promising results, restoring erectile function in 71% of patients with significant improvements in quality of life.

New method inverts the self-assembly of liquid crystals

Researchers at the University of Luxembourg have discovered a method to create an anti-ordered state in liquid crystals, which can exhibit unique properties such as shape-changing behavior. This breakthrough enables the development of novel materials with potential applications in soft robotics and artificial muscles.

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.

Case of tick-borne relapsing fever in Mexico

A case of tick-borne relapsing fever was reported in Sonora, Mexico, where the disease gets little attention. The patient's symptoms improved with doxycycline treatment, and spirochetes were detected in her blood, supporting the identification of an endemic focus for the disease.

Apple iPhone 17 Pro

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

New method may transport medicine better through the body

Researchers have developed a new method for transporting medicine through the body, using a sliding molecule that can jump between polymers to deliver medication to specific organs. Laboratory tests confirm the model's effectiveness in delivering molecules to gel-like materials.

Time for a new global protected area target

A new international protected area target is necessary to effectively conserve biodiversity, according to a study published in Science. The current target has led to perverse outcomes, with nations unable to account for real progress.

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.

New microscopy method provides more details about nanocomposites

Researchers at DOE's Ames Laboratory developed a new microscopy approach to image gel nanocomposites in their natural state, providing insights into their assembly and properties. The technique allows for the observation of nanoparticles within gels, which shows promise in creating materials with unique optical properties.

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.

More Michigan students taking, passing advanced math

A new study by Michigan State University found that the state's graduation requirements for math are leading to more students taking and passing advanced math courses. This policy change is also resulting in higher college enrollment rates, particularly among low-income students.

Inner electrons behave differently in aromatic hydrocarbons

A new study investigates the Auger effect in aromatic hydrocarbons, revealing that molecules with pi electrons have a lower double ionization threshold. This finding favors Auger decay over saturated hydrocarbons, with potential applications in cancer treatment and atomic identification.

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.

Rice, Northwestern find new ways to image, characterize unique material

Scientists at Rice and Northwestern universities have developed a method to image and characterize 2D borophene crystals, which can exhibit unique lattice configurations that determine their characteristics. The research could help manufacturers incorporate borophene into products with desirable electronic, thermal, optical properties.

Biologists uncover new rules for cellular decision-making in genetics

A team of biologists has discovered new rules governing cell decision-making in genetics, revealing how genes are activated under specific conditions. The study found that a protein called Zelda strengthens Dorsal activity, allowing cells to make decisions about gene activation based on their environment.

Getting back to work after a heart attack

Patients with acute coronary syndromes can return to work in two to three months, but one in four quit after a year. Psychological factors like lack of confidence, depression, and anxiety are significant predictors of failure. Attending cardiac rehabilitation and gradual reintegration into the workplace can help patients succeed.

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.

Why is ketamine an antidepressant?

Researchers found that ketamine restores dendritic spines in the prefrontal cortex of mice with depression-like behavior. Healthy dendritic spines are crucial for long-term antidepressant effects, suggesting interventions to enhance their survival may be helpful in sustaining ketamine's benefits.

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.

I feel you: Emotional mirror neurons found in the rat

Researchers found that rat brain activates same cells when observing others' pain as when experiencing pain itself, indicating shared empathy mechanism. The cingulate cortex region is responsible for this emotional sharing, and suppressing its activity can prevent rats from freezing in response to others' distress.

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.

Rapid urbanization increasing pressure on rural water supplies globally

A global review of water reallocation from rural to urban regions found that 69 cities receive significant amounts of reallocated water, mainly driven by North America and Asia's growing populations. The practice is expected to rise further, with 2.5 billion more urban dwellers projected by 2050.

'Mindreading' neurons simulate decisions of social partners

Researchers identified special brain cells that allow animals to reconstruct their social partner's state of mind and predict their intentions. Dysfunction in these 'simulation neurons' may contribute to social cognition difficulties in conditions like autism and social anxiety.

New study advances treatment options for PTSD

A new study published in Proceedings of the National Academy of Sciences found that stress increases fear-promoting brain regions while reducing fear-reducing ones. This shift can be mimicked by increasing norepinephrine release, potentially leading to more effective treatments for PTSD.

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.