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Science News Archive March 2021


Page 48 of 53

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.

Nature: new compound for male contraceptive pill

Researchers at The Lundquist Institute have discovered a new compound called triptonide, which exhibits ideal male contraceptive effects in pre-clinical studies. Triptonide can be purified from a Chinese herb or produced through chemical synthesis and induces altered sperm with minimal motility, leading to male infertility in 3-4 weeks.

Will this solve the mystery of the expansion of the universe?

Researchers propose a new type of dark energy that could explain conflicting measurements of the universe's expansion rate. The theory suggests that dark energy underwent a phase transition triggered by the universe's expansion, resulting in a more consistent explanation for observed phenomena.

Lessons from Wuhan: What managers and employees need to know

A study by the University of Illinois Chicago reveals that employee engagement and performance are highest when employees are mentally prepared to return to work and their managers prioritize health and safety. Managers must set a good example, communicate effectively, and enforce safety protocols to promote workplace well-being.

How to track the variants of the pandemic faster

Scientists highlight the need for sustainable collaboration frameworks and harmonization of health data practices to tackle the pandemic. Improved sequencing could enable better tracking of transmission and mutations, leading to more accurate estimates of R-number and improved understanding of mutational impacts.

Apple iPhone 17 Pro

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

Color blindness-correcting contact lenses

Researchers developed infusing contact lenses with gold nanoparticles to create a safer way to see colors for people with color blindness. The gold nanocomposite lenses improved red-green color perception in clinical trials without leaching dye, offering a potential solution for those struggling with the condition.

Meta Quest 3 512GB

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

Researchers realize the ice inhibition for cryopreservation

Researchers have developed a new method to prevent ice crystal formation during cryopreservation, enabling cells and organs to survive and even proliferate after thawing. The technique uses nanocomposites to regulate ice nucleation and reduce damage caused by crystallization.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Study reveals details of immune defense guidance system

Researchers at NYU Langone Health discovered that sphingosine 1 phosphate (S1P) levels in lymph nodes increase as the immune response mounts, leading to inflammation and damage. This finding could lead to better drugs used to fight inflammation, such as medications already approved for inflammatory bowel disease and multiple sclerosis.

Fluorescent nanodiamonds successfully injected into living cells

Researchers at Lund University have successfully injected large numbers of nanodiamonds into living cells, providing a novel means to monitor cellular activity over time. This technique has potential applications in separating healthy cells from diseased ones and targeting disease-causing proteins.

Tiny computers reveal how wild bats hunt so efficiently

Wild greater mouse-eared bats use extremely weak prey echoes that are like whispers to humans, allowing them to focus on their next meal. The bats control the strength of their returning echoes by calling louder or weaker, using this strategy to simplify their information and process.

Tackling tumors with two types of virus

A Swiss research group has developed a novel cancer vaccine strategy utilizing two different viruses to stimulate the immune system against tumor cells. In animal experiments, this approach led to the elimination or slowing down of tumors in 20-40% of cases.

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.

Study: Bahamas were settled earlier than believed

Researchers at Texas A&M University discovered evidence of human settlement in the Bahamas around 1200-1300 A.D. using charcoal deposits from human fires thousands of years ago. The new settlers dramatically changed the landscape, leading to increased deforestation and loss of native species.

Opioid overdose reduced in patients taking buprenorphine

Patients taking buprenorphine for opioid use disorder who also take benzodiazepines experience a 40% lower risk of overdose, according to research published in The American Journal of Psychiatry. This finding suggests that buprenorphine can protect patients from overdose even when taking benzodiazepines.

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.

Researchers discover SARS-CoV-2 inhibitors

A research team has discovered two families of active substances that can block the replication of SARS-CoV-2 by targeting its main protease enzyme. The drug candidates show promise for therapeutic development, but extensive clinical trials are still required.

Conquering the timing jitters

A team of scientists from Argonne National Laboratory developed a method to dramatically improve ultrafast time resolution achievable with X-ray free-electron lasers. This breakthrough enables new insights into the behavior of materials and chemical processes, allowing for more efficient designs and discoveries.

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, highly precise 'clock' can measure biological age

Researchers developed an 'aging clock' that directly measures biological age from gene expression in Caenorhabditis elegans. The new BiT age clock uses a mathematical trick to minimize gene activity variation, allowing accurate predictions of biological age and its effects.

Bioinspired materials from dandelions

Researchers at the University of Trento have discovered that dandelion clocks can trap air when submerged in water, leading to the development of new materials that could be used in underwater operations. The discovery was made by students and professors who were inspired by a observation made by a high school student.

Sewage-handling robots help predict COVID-19 outbreaks in San Diego

Researchers at UC San Diego used sewage-handling robots to detect SARS-CoV-2 in wastewater and predicted COVID-19 cases with excellent accuracy. The system extracts RNA from sewage samples, runs PCR to search for virus signature genes, and can process 24 samples every 40 minutes.

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.

Report: The Impact of the COIVD-19 pandemic on CUNY students

A recent survey found that the COVID-19 pandemic has taken a toll on the mental health and financial stability of approximately 274,000 City University of New York (CUNY) students. Over half reported experiencing depression and/or anxiety, with food insecurity and housing worries being strong predictors of anxiety/depression.

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.

Study examines motives for dropping out of higher education

A new study analyzed reasons for university dropout, finding lack of interest in field of study and academic performance issues as key motivators. The research suggests implementing early warning systems and personalized counseling services to support students at risk.

Custom diets are essential to mental health, new research shows

New research reveals that diet plays a major role in improving mental health, with different age groups and genders requiring unique dietary approaches. The study found that young adults need more energy and nutrients due to brain development, while men and women have distinct nutritional needs influenced by biological sex.

Research news tip sheet: Story ideas from Johns Hopkins Medicine

A study by researchers at Johns Hopkins Medicine found that proteins in urine can be used as biomarkers to predict the likelihood of progression to chronic kidney disease and death after acute kidney injury. The three protein biomarkers, MCP-1, UMOD, and YKL-40, showed promise in predicting patient outcomes.

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 math can help us understand the human body

Researchers at Ohio State University used graph theory to model homeostasis in the human body, predicting changes in dopamine levels and identifying properties of graphs that can help prevent system breakdowns. This approach could lead to targeted medical care for people who need it.

New search engine for single cell atlases

A new software tool called scfind allows researchers to quickly query datasets generated from single-cell sequencing, identifying which cell types any combination of genes are active in. This enables swift analysis of multiple datasets containing millions of cells by a wide range of users.

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.

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.

Swiss statistical systems enhanced by big data

Researchers at EPFL's HERUS lab used anonymized data from La Mobilière to develop a spatial regression model predicting 12 socio-economic indicators in six categories. The study aimed to show the potential of insurers' datasets beyond marketing purposes, guiding policymakers and government statistical offices.

Heart failure-related death rates higher in rural versus urban US counties

Nationwide analysis reveals adults in rural counties experience higher heart failure-related death rates compared to urban counterparts, with greater increases for younger adults. Socioeconomic factors and clinical risk factors contribute to the urban-rural divide, prompting a need for targeted health and economic policy efforts.

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.

Energy switching decisions could widen social inequalities

Research found that new energy contracts designed for a low-carbon future can benefit all types of customers, but only younger, higher-income individuals with higher education are likely to adopt them. This could widen the gap between those who benefit from the market and those who lose out.