Bluesky Facebook Reddit Email

Science News Archive 2017


Page 112 of 461

Computer model unravels knotty problems in DNA

Researchers used computer modeling to understand how E. coli bacteria can unlink tangled DNA by a local reconnection process. The study found that undoing one link at a time is the preferred route to separate the circles of DNA, with implications for other complex systems in nature.

Women use gossip to compete for a man's attention

A study found that women tend to gossip more about their rivals' physical appearance and enjoy it more than men. Men, on the other hand, often gossip about others' achievements, demonstrating sex differences in gossiping behavior.

Apple iPhone 17 Pro

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

Blood test for HPV may help predict risk in cancer patients

A blood test for human papillomavirus (HPV) may help forecast treatment response in throat cancer patients, according to preliminary findings. Patients with low or undetectable HPV16 levels in the blood had higher risk of persistent or recurrent disease.

Are we at a tipping point with weed control?

Weeds like common waterhemp and Palmer amaranth can reduce corn and soybean yields by up to 80%, while resistant weeds are developing resistance to available herbicides. To combat this, researchers suggest diversifying weed management practices with crop rotation, weed suppressive cultivars, and other tactics.

Older-adult patients more likely to disclose suicidal thoughts as they age

A new study in the American Journal of Preventive Medicine found that older adults are more likely to disclose suicidal thoughts as they age, especially those with chronic pain, diagnosed illness, social isolation, and recent mental health care. Researchers identified four key interventions to prevent suicide among older adults.

Exposure to childhood bullying and mental health

A new study found that childhood bullying exposure contributes to multiple mental health issues, particularly anxiety and depression. The study suggests that the effects of bullying on mental health dissipate over time, highlighting potential resilience in children who were bullied.

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.

James R. Ledwell selected as a Fellow of the Oceanography Society

James R. Ledwell's pioneering work on oceanic mixing and air-sea gas exchange earned him a spot among the Oceanography Society's esteemed Fellows. His groundbreaking techniques, including the deliberate tracer release experiment (TRE), have significantly advanced our understanding of ocean circulation.

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.

Air pollution and poverty stack the deck for ADHD

A study of low-income children in New York City found that prenatal exposure to polycyclic aromatic hydrocarbons (PAH) combined with material hardship significantly increases ADHD symptoms. The researchers assessed levels of PAH exposure and material hardship in maternal blood and child behavior, finding a strong correlation between th...

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.

Do delays in surgery for melanoma vary by insurance?

A new study found that delays in melanoma surgery are common among Medicaid and privately insured patients, highlighting the need for better access to specialty care. The likelihood of surgical delay decreased when dermatologists performed operations or made diagnoses.

Different sugars, different risks to your liver

Researchers at Joslin Diabetes Center found that mice on a fatty diet who consumed high levels of fructose suffered worse metabolic effects compared to those given similar calories of glucose. The study highlighted the increased production of an enzyme called Khk, which is specifically important in fructose metabolism.

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.

Study investigates the presence of contaminants on drinking water

Researchers compare sanitation systems in Brazil and USA, finding presence of contaminants in drinking water, including industrial compounds, pesticides, and endocrine disrupters. The study suggests that complementary treatments are needed to obtain clean water that can be safely consumed.

'Squirtable' elastic surgical glue seals wounds in 60 seconds

Developed by the University of Sydney and Northeastern University, MeTro combines elastic protein technologies with light-sensitive molecules to seal wounds quickly and effectively. The glue sets in 60 seconds and has a built-in degrading enzyme to determine its longevity.

Modified peptides could boost plant growth and development

Researchers at the University of Queensland have discovered modified peptides that can enhance plant growth and development. The study, published in Cell Chemical Biology, found that these peptides can regulate root development and increase productivity, leading to improved agricultural sustainability and food security.

To kickstart creativity, offer money, not plaudits, study finds

A new study by University of Illinois expert Ravi Mehta found that monetary rewards enhance creative performance, while social-recognition rewards have a negative impact. This research has practical applications for companies looking to boost creativity in their employees and for individuals seeking motivation to think outside the box.

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.

Ancient humans left Africa to escape drying climate

Researchers found that climate in northeast Africa shifted from wet to very dry around 70,000 years ago, coinciding with human migration out of Africa. The team's analysis of sediment cores revealed a significant drop in sea surface temperature and rainfall patterns, making the environment less hospitable for human habitation.

Study pokes holes in fetal alcohol hypothesis

A new study published in Brain Behavior and Immunity appears to challenge the theory that microglia play a role in fetal alcohol spectrum disorders (FASD). The research found no difference in microglial activity between mice exposed to alcohol early in development and healthy animals.

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 sticky situation

Researchers at the University of Pittsburgh have developed a new approach to reduce adhesion in small parts, which is expected to improve next-generation microdevices. The study uses nanomaterials to create rough surfaces that prevent tiny objects from sticking together.

Why does divorce run in families? The answer may be genetics

A Swedish national adoption study found that children of divorced parents are more likely to get divorced due to genetic factors, not environmental influences. The study suggests that targeting basic personality traits linked to divorce may be a better approach for therapists.

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.

Tubules to stop cell growth

Researchers discovered how TORC1 protein complexes regulate cell growth in response to sugar availability. In the absence of sugar, these complexes self-assemble into massive tubular structures that halt cell growth. The formation and disassembly of these tubules can be easily observed in living cells.

Patients' expectations influence the effectiveness of SSRI antidepressants

A new study by Uppsala University researchers found that patients' expectations significantly influence the efficacy of SSRI antidepressants. In a double-blind study, patients who received correct information about their medication showed three times more responders than those given incorrect information.

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.

Designer biosensor can detect antibiotic production by microbes

Researchers from North Carolina State University have engineered designer biosensors that can detect antibiotic molecules of interest produced by microbes such as E. coli. The biosensors use a naturally occurring molecular switch to detect the presence of macrolide antibiotics, enabling the screening of millions of different strains qu...

Ancient petrified salamander reveals its last meal

A 35-million-year-old salamander fossil from France has yielded a unique glimpse into the life of an ancient creature. Researchers have successfully imaged the internal anatomy of the specimen using advanced x-ray imaging techniques, revealing that it fed on frogs - a rare food source for salamanders.

NIAAA Alcohol Treatment Navigator points the way to quality treatment

The NIAAA Alcohol Treatment Navigator offers a comprehensive strategy to help individuals search for professionally-led, evidence-based treatment. The navigator guides users through a step-by-step process to find qualified treatment providers, taking into account individual needs and preferences.

Incidence of measles in the United States

The overall annual incidence of measles in the United States remained low from 2001 to 2015, with most cases reported among unvaccinated individuals. The study suggests that failure to vaccinate may be the main driver of measles transmission, highlighting the importance of maintaining high vaccine coverage.

Large volcanic eruptions in Tropics can trigger El Niño events

Explosive volcanic eruptions in the tropics can lead to El Niño events by pumping sulfur dioxide into the stratosphere, reflecting solar radiation and reducing global surface temperature. Climate model simulations show that El Niño tends to peak during the year after large volcanic eruptions.

Fluke 87V Industrial Digital Multimeter

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

Cooling treatment reduces epilepsy in children

A new study published in Epilepsia found that cooling treatment for newborns who suffer from perinatal asphyxia significantly reduces the number of children developing epilepsy later in childhood. The research also showed improved cognitive performance, life quality, and life expectancy for these patients.

Monitoring microbes to keep Marsonauts healthy

A comprehensive study monitored microbial load, diversity and dynamics in a closed habitat for 520 days, finding human-associated bacteria to be the main source of microbial dispersal. The researchers also noted that confinement triggered significant changes in the bacterial community, with diversity decreasing over time.

Vitamin D protects against severe asthma attacks

Taking oral vitamin D supplements alongside standard asthma medication may halve the risk of severe asthma attacks that require hospital care. Research found a 30% reduction in steroid treatment and a 50% decrease in hospitalizations due to asthma exacerbations.

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.

Online parent training helps young kids with ADHD

Researchers at Lehigh University found brief online behavioral therapy for parents is equally effective to in-person training in improving children's behavior and parental knowledge. Parents participating in the streamlined 10-week format were more likely to be engaged and complete training.

Gabapentin co-use may increase risk of fatal opioid overdose

A new study found that gabapentin co-use with opioids increases the risk of fatal opioid overdose. The study analyzed data from Ontario, Canada and found that patients prescribed both gabapentin and opioids were more likely to die from an opioid overdose.

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.

Red Sea gene pool follows water flow

Researchers used satellite imagery and simulations to explore the role of currents in the Red Sea biosphere, finding significant variability in eddies that facilitate transport and dispersal. The study's findings suggest water circulation patterns play a significant role in determining the distribution of Red Sea clownfish populations.

Finnish researchers discover what is on the menu for dragonflies

Researchers from Finland's Universities of Turku and Helsinki have identified dozens of prey species consumed by adult dragonflies using DNA analysis of faecal samples. The study provides unprecedented specificity on the position of dragonflies in natural food webs.

New in the Hastings Center Report, September-October 2017

The Hastings Center Report examines ethical dilemmas in global health, including resource sensitivity, physician-assisted death and parental authority. The case for providing cheaper, less effective treatments to promote health and realize ethical values is presented.

UTA study sheds new light on evolution

Researchers at UTA and Wadia Institute of Himalayan Geology discovered the generation of H2, O2, H2O, and CO2 in the Earth's mantle, shedding new light on planetary evolution. The study also found that deep mantle upwelling can oxidize fluids to produce water and carbon dioxide.

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.

Do mothers favor daughters and fathers favor sons?

A new study found that mothers are more likely to spend money on their daughters while fathers prioritize their sons. This gender-based bias affects decision-making across various aspects of life, including charitable giving, college savings, and politics.