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Blowing up medieval gunpowder recipes

The study of medieval gunpowder recipes reveals that the evolution of the perfect powder was a slow trial-and-error process. Researchers analyzed energies released during combustion and found that certain additives made gunpowder stronger, while others had no energetic advantages but might have served other purposes.

SourceAmerican Chemical Society·JournalACS Omega·DateSep 22, 2021
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.

New study shows rundown neighborhoods not slated to go into a steep decline

A new study from the University of California Firearm Violence Research Center shows that physical disorder in Detroit doesn't lead to a steep increase in violent crime. The study's findings suggest that community-driven efforts to rebuild and remake rundown neighborhoods can be effective in reducing disorder and fear.

SourceUniversity of California - Davis Health·JournalThe British Journal of Criminology·DateAug 27, 2021

More mental health services not linked to fewer firearm suicides

A new study found that increasing mental health workforce capacity can lead to a 1.35% reduction in non-firearm suicide rates among young people aged 10-24. However, the study did not find any correlation between increased mental health services and decreased firearm suicides.

SourceOhio State University·JournalJournal of Adolescent Health·TypeData/statistical analysis·DateAug 18, 2021

Study: Candidates’ pro-gun stances, NRA funding influence voters

Researchers found that candidates' pro-gun messages and NRA funding influence voters' evaluations, with racial resentment moderating the effects. Voters who own guns or are racially resentful were more likely to support candidates with similar views, while those low in racial resentment preferred pro-gun control candidates.

SourceAmerican Society of Criminology·JournalCriminology·DateAug 17, 2021

Mental health patients will answer when asked about firearms

A Kaiser Permanente study published in JAMA Health Forum found that 83% of primary care patients and 92% of mental health clinic patients answered the question about their access to firearms. The study suggests that asking about firearm access could support suicide prevention by creating opportunities to discuss safety planning, includ...

SourceKaiser Permanente·JournalJAMA Health Forum·DateAug 6, 2021
Apple iPhone 17 Pro

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

Firearm safety, injury prevention strategies among california adults

A recent survey study in California adults reveals alarming rates of firearm injuries and highlights the importance of safe storage practices. The study also explores perceptions of safety among households with children, emphasizing the need for effective injury prevention strategies.

SourceJAMA Network·JournalJAMA Network Open·DateAug 3, 2021

Trauma Informed Care can help break the cycle of violence

The American College of Surgeons proposes four strategies to address the root causes of violence, including investing in at-risk communities and advocating for policy changes. Trauma Informed Care is a key feature of these strategies, aiming to foster empowerment and partnership with patients.

SourceAmerican College of Surgeons·JournalJournal of the American College of Surgeons·DateJul 30, 2021

Nonfatal firearm injuries lead to higher rate of mental health disorder in youth

Research at MUSC Health found that adolescents who survive nonfatal gunshot wounds are at a higher risk of developing mental health disorders. Those with pre-existing conditions such as depression or conduct disorder are particularly vulnerable, highlighting the need for timely mental health care following a firearm injury.

SourceMedical University of South Carolina·JournalAcademic Pediatrics·DateJul 29, 2021
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.

US saw surge in firearm purchases and violence during first months of COVID-19 pandemic

During the first five months of the COVID-19 pandemic, an estimated 4.3 million more background checks for firearm purchases occurred nationwide than expected, resulting in 9.3 million total firearm purchases. Researchers found an association between increased gun purchases and domestic violence but not non-domestic firearm violence.

SourceUniversity of California - Davis Health·JournalInjury Epidemiology·DateJul 8, 2021
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.

Using a mineral 'sponge' to catch uranium

Researchers successfully reduced uranium, vanadium, and molybdenum levels in groundwater by more than ten-thousandfold using a 'sponge-like' mineral called calcium apatite. The technology has been shown to be effective and long-lasting without negative side effects.

SourceDOE/Sandia National Laboratories·DateJun 9, 2021

Public awareness, willingness to use gun violence restraining orders

A survey study in California found that public awareness of extreme risk protection orders is low, and many people are unwilling to use them to prevent firearm-related harm. The study suggests that targeted education and awareness campaigns can improve public understanding and encourage the use of these orders.

SourceJAMA Network·JournalJAMA Health Forum·DateJun 4, 2021
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.

Firearms laws curb rates of gun violence across United States

A Rutgers University study found that states with stricter firearms laws reported lower suicide and homicide rates. The study analyzed data from 1991 to 2017 and found a significant correlation between the total number of firearm laws in a state and its corresponding suicide and homicide rates.

SourceRutgers University·JournalJournal of Public Health·DateApr 22, 2021

Study: 'Fingerprint' for 3D printer accurate 92% of time

Researchers developed a unique identification system using a 3D printer's hot end, allowing for accurate tracking of intellectual property and security threats. The 'ThermoTag' method compares the printing process to a human fingerprint, enabling precise identification of printer models.

SourceUniversity at Buffalo·JournalIEEE Transactions on Information Forensics and Security·DateApr 21, 2021
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.

Epidemic of firearm injury spurs new wave of research

Researchers at Michigan Medicine are working to develop innovative solutions to prevent firearm-related deaths and injuries, building on federal funding for the first time in years. The effort aims to strike a balance between public health and gun rights, with initial studies revealing promising results.

SourceMichigan Medicine - University of Michigan·JournalCriminology & Public Policy·DateApr 15, 2021

Physicians must advocate for common sense gun laws for good of public health

The American College of Physicians suggests that physicians should educate patients about firearm safety, act locally against the NRA, and lobby for sensible firearm injury prevention laws. The editorial highlights the need for action after mass shootings, despite a decline in overall gun violence in 2020.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateApr 1, 2021

One in five Colorado high school students has access to firearms

A new study found that 20% of high school students in Colorado have easy access to handguns, with males and transgender youth being more likely to report this. The researchers emphasize the need to raise awareness and improve efforts to reduce firearm access for youth in Colorado.

SourceUniversity of Colorado Anschutz Medical Campus·JournalThe Journal of Pediatrics·DateMar 29, 2021

Intentional youth firearm injuries linked to sociodemographic factors

A study by Children's National Hospital found that sociodemographic factors related to intent of injury by firearm may help guide policy and inform tailored interventions. The study identified distinct risk profiles for individuals aged 21 and younger with firearm injuries, including unintentional and self-harm cases.

SourceChildren's National Hospital·JournalPEDIATRICS·DateMar 29, 2021

First report on mass shootings from Columbia University database

The study found that serious mental illness was present in only 11% of all mass murderers and 8% of mass shooters. Non-firearm means resulted in significantly more casualties per event. The researchers also found that U.S.-based mass shooters were more likely to have legal histories or use recreational drugs.

SourceColumbia University Irving Medical Center·JournalPsychological Medicine·DateFeb 18, 2021
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.

The messenger matters in safe gun storage, suicide prevention education

A Rutgers study found that law enforcement and military personnel are the most preferred messengers for safe gun storage and suicide prevention education. The study ranked 14 groups as trusted sources, with law enforcement and military personnel ranking highest among firearm owners.

SourceRutgers University·JournalPreventive Medicine·DateFeb 18, 2021

Handgun ownership associated with firearm suicide

A new study published in Archives of Suicide Research found that handgun ownership is associated with a greater odds of dying from self-inflicted gunshot wounds in suicide deaths. Researchers also discovered that individuals who only owned handguns were more likely to use them in their death compared to those who owned shotguns.

SourceRutgers University·JournalArchives of Suicide Research·DateFeb 11, 2021

Firearm deaths increasing in U.S. children younger than 5, study says

A study by Oregon Health & Science University found that firearm-related deaths among children ages 1-4 increased exponentially between 1999 and 2018, with non-Hispanic Black and White children being disproportionately affected. Nearly 90% of these incidents occurred in or near the victim's home, making them preventable.

SourceOregon Health & Science University·JournalJournal of the National Medical Association·DateJan 29, 2021
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.

Exposure to violence takes a toll on the socioemotional well-being of Californians

A study by UC Davis VPRP found that 4% of California adults experienced violence, leading to severe distress and social problems. Firearm involvement in violent events was associated with increased socioemotional consequences, including higher levels of perceived threat and reduced social functioning.

SourceUniversity of California - Davis Health·JournalJournal of Interpersonal Violence·DateJan 14, 2021

Preventing nurse suicides as new study finds shift in method

A new study published in the journal Nursing Forum found a distinct shift in the method of nurse suicides, with firearm use increasing among female nurses between 2014 and 2017. The study suggests that removing firearms from homes and providing increased social support may help prevent such deaths.

SourceUniversity of California - San Diego·JournalNursing Forum·DateDec 21, 2020

Survey shows firearm safety rarely discussed between patients and clinicians

A national survey of 4,000 adults found that fewer than 10% have ever discussed firearm safety with a clinician, highlighting the need for improvement in clinical settings. The study also found that when conversations occurred, the most common advice given was to lock all household firearms.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateDec 21, 2020
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.

Pandemic fears driving firearm purchases

A Rutgers study found that people intending to acquire a firearm in the next 12 months are less tolerant of uncertainty and experience more severe COVID-19 specific fears. Essential workers and those who have worked in law enforcement are more likely to consider purchasing firearms as a means of safety during uncertain times.

SourceRutgers University·JournalJournal of Psychiatric Research·DateDec 16, 2020

People who purchased firearms during pandemic more likely to be suicidal

A Rutgers study of 3,500 Americans found that those who purchased firearms during the pandemic were more likely to experience suicidal thoughts, with 70% reporting lifetime suicidal ideation. Unsafe firearm storage habits also increased the risk of suicide in homes with a firearm.

SourceRutgers University·JournalAmerican Journal of Preventive Medicine·DateNov 17, 2020
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.

Americans' attitudes about guns influenced by owners' race and gender

A new study from Rice University found that racial and gender biases significantly impact American attitudes toward gun ownership. The research revealed that Republicans are more likely to support gun rights for white men, while Democrats are more willing to support white women's right to own firearms. These findings highlight the need...

SourceRice University·JournalJournal of Public Policy & Marketing·DateNov 17, 2020

A new curriculum helps surgical trainees comprehensively treat victims of firearm violence

A new curriculum at Washington University School of Medicine equips surgical residents with technical and non-technical skills to treat victims of firearm violence. The Anatomy of Gun Violence (AGV) curriculum includes training sessions, simulations, and discussions on the social context of firearm violence.

SourceAmerican College of Surgeons·JournalJournal of the American College of Surgeons·DateNov 2, 2020
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.

State gun laws may help curb violence across state lines: study

A study by Columbia University researchers found that strong state gun laws are associated with lower rates of firearm homicides within the state and across state lines. Weaker laws in one state contribute to higher homicide rates in neighboring states, particularly when guns can flow undetected into areas with already weak laws.

SourceColumbia University's Mailman School of Public Health·JournalEpidemiology·DateOct 26, 2020

Conversation about suicide prevention leads to safe gun storage

Researchers at Forefront Suicide Prevention at the University of Washington found that talking about suicide prevention and safe firearm storage at gun shows can lead to a significant increase in people locking up their firearms. In a community-based setting, engaging people in an empathetic conversation resulted in more people adoptin...

SourceUniversity of Washington·DateOct 20, 2020

Concerns about violence increase in California amid COVID-19 pandemic

A new study by the University of California - Davis Health found that the COVID-19 pandemic led to an estimated 110,000 firearm purchases in California and increased individuals' worries about violence. Respondents who bought firearms mainly did so for self-protection, citing concerns over lawlessness and government actions.

SourceUniversity of California - Davis Health·DateOct 14, 2020

Early referral to physical therapy improves function and other symptoms of back pain with sciatica

A randomized controlled trial found that early referral to physical therapy significantly improved function and reduced symptoms of back pain with sciatica compared to usual care. Patients who received physical therapy immediately after their primary care visit reported less disability than those who took the wait-and-see approach.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateOct 5, 2020
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.

New study reveals one way police officers can reduce shooting errors

Researchers found that officers can cut their chance of making misdiagnosis shooting errors by more than half when using a low ready position. The study, published in Police Quarterly, suggests that this simple adjustment could lead to fewer perception shootings and improved safety.

SourceUniversity of Colorado Denver·JournalPolice Quarterly·DateOct 5, 2020

Age restrictions for handguns make little difference in homicides

A recent University of Washington study found that age restrictions on handgun purchases have little effect on the rate of homicides involving guns by people in this age group. The central issue is high informal access to firearms, making it difficult to address with age limits. Firearms are a leading cause of death among American youth.

SourceUniversity of Washington·JournalJAMA Pediatrics·DateSep 24, 2020

Gun laws in neighboring states affect state gun deaths, new evidence

A study published in the American Journal of Preventive Medicine found that weaker gun laws in neighboring states are associated with increased gun deaths in adjoining states. The researchers analyzed 578,022 firearm deaths over a 17-year period and found that stronger state gun policies were linked to decreased firearm deaths.

SourceElsevier·JournalAmerican Journal of Preventive Medicine·DateSep 14, 2020
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.

Firearm ownership among LGBT adults

A study found that nearly 16% of LGBT adults in California own a gun or live with one, often for protection. This increases their likelihood of victimization, including suicide. The research highlights the need for unique gun violence prevention strategies targeting the LGBT community.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalViolence and Gender·DateSep 8, 2020

Gunshot injuries in California drop, but percentage of firearm death goes up

A UC Davis Health study found that nonfatal firearm injuries in California decreased by 38% over an 11-year period, primarily due to a drop in firearm assaults. However, the lethality of those and other firearm injuries increased, with a higher proportion of self-inflicted injuries being deadlier.

SourceUniversity of California - Davis Health·JournalJAMA Network Open·DateAug 26, 2020
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.