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Science News Archive April 2022


Page 3 of 37

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.

Bay Area storms get wetter in a warming world

Research simulates San Francisco's worst storms in future climate conditions, finding significant increases in precipitation for events with atmospheric rivers and cyclones. The study aims to help the region plan its infrastructure with mitigation and sustainability in mind.

Changing guidelines for treating mild chronic hypertension in pregnancy

A new study published in the New England Journal of Medicine found that treating even mild forms of high blood pressure during pregnancy is safe and beneficial for both mother and developing baby. The study's results demonstrated a significant decrease in pregnancy complications, including severe preeclampsia and preterm births.

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 prehistoric forest grows in Brunei

A study published in PeerJ has discovered that the dominant tree group in Brunei's rainforest, dipterocarps, has remained unchanged for at least four million years. The research suggests that the current ecosystem is similar to what was present during the Pliocene Epoch, providing additional justification for conservation efforts.

Unlocked enzyme structure shows how strigolactone hormone controls plant growth

Researchers unlocked the structure of an enzyme that regulates plant growth in response to strigolactone hormone. The enzyme, MAX2, targets repressor proteins for destruction when it's unlocked, allowing genes to be expressed and activating various growth processes. This discovery sheds light on how plants adapt to their environment.

New article outlines the characteristics of a “longevity diet”

A multi-pillar approach to nutrition can help increase lifespan by promoting optimal carbohydrate intake from non-refined sources, low but sufficient protein from plant-based sources, and enough plant-based fats. The 'longevity diet' may also involve intermittent fasting and a 5-day cycle of a fasting or fasting-mimicking diet every 3-...

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.

TCSPC technique to visualize the weak pulse electroluminescence

Researchers developed an improved transient spectrometer combining TCSPC with a pulse generator to investigate energy transfer mechanisms and exciton evolution in organic light emitting diodes. The technique's superior sensitivity enables extraction of mobility information, providing valuable insights into device physics.

Sampling the deep graveyard of Earth’s earliest crust

Researchers found that some magmas originate from mantle portions with early crust remnants, suggesting a 'graveyard' of old material survived for billions of years. This discovery sheds light on the formation of large continents and the evolution of Earth's atmosphere.

Runners prefer the same pace, regardless of distance

A study published in Current Biology found that recreational runners prefer to run at the same calorie-saving pace, regardless of distance. The researchers analyzed data from over 4,600 runners and wearable trackers, revealing that the preferred speed is indistinguishable from the energetically optimal speed measured in a lab setting.

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.

Vaccination campaign messages often prove ineffective

A study across eight European countries found that conventional vaccination campaign messages are ineffective due to factors like low health literacy and conspiracy theories. The research suggests a need for targeted messaging strategies tailored to specific groups and communication channels.

Neural pathway key to sensation of pleasant touch identified

Researchers at Washington University School of Medicine have identified a neural circuit and neuropeptide that transmit the sensation of pleasant touch from the skin to the brain. The discovery may help scientists better understand disorders such as autism spectrum disorder, which often involve impaired social development.

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.

Study tracks COVID-19 infection dynamics in adults

Researchers tracked COVID-19 infection dynamics in adults over time, using repeated sampling and different testing methodologies. The study revealed factors influencing infection course and transmission risk, including viral genome loads and shedding times.

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.

Harnessing the powers of light to operate computers

Scientists at the University of Tsukuba have created a nanocavity in a waveguide that selectively modifies short light pulses, enabling the development of ultrafast optical pulse shaping. This breakthrough may lead to the creation of new all-optical computers that operate based on light.

Scientific advance leads to a new tool in the fight against hackers

Researchers at the University of Copenhagen have developed a new position-based quantum encryption method that uses a person's geographical location to guarantee secure communication. This method makes it difficult for hackers to impersonate users and exploit online communications.

56% of young people are concerned about personal data security

Young people aged 18-30 fear influence and control, crime and security, changes in life pace, negative technological consequences, and social inequality. Digital fears reinforce traditional concerns and emerge from uncertainty and growing forces beyond human control.

Apple iPhone 17 Pro

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

A molecular glue for turning on human cell pluripotency

A team at Baylor College of Medicine found that human NANOG's 'super stickiness' enables it to form large aggregates at low concentrations, which interact with chromatin to activate a pluripotent state. This process involves reshaping the genomic landscape and turning on genes involved in pluripotency.

Viewing a microcosm through a physics lens

Researchers used transparent gel substrates to study bacterial colonies growing on them. They found that biofilms can exert force on surfaces, disrupting tissue damage during infections. This new understanding has potential applications in disease treatment and prevention.

Fluke 87V Industrial Digital Multimeter

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

Dolphin bycatch from fishing practices unsustainable, study finds

A new method assesses sustainable levels of human-caused wildlife mortality, showing that dolphin capture is unsustainable even at low reported annual rates. The study highlights concerns about the impact of climate change on environmental fluctuations and calls for greater transparency and rigorous methods in fisheries management.

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.

Not all dietary fibers are equal

Researchers investigated two common soluble fibers, arabinoxylan and long-chain inulin, on human physiology. They found that AX reduced LDL cholesterol, while LCI decreased inflammation markers and increased beneficial gut microbes, but high doses of inulin caused negative effects.

Spinning stars shed new light on strange signal coming from galactic center

A team of researchers from Australian National University has found an alternative explanation for the mysterious Galactic Centre Excess, a gamma-ray signal long claimed as a signature of dark matter. The team proposes that the signal may actually come from rapidly-rotating neutron stars, known as millisecond pulsars.

Many residents won’t get abortion training if Roe is overturned

A new study by UCSF and UCLA finds that nearly half of US OB-GYN residency programs may lack abortion training if Roe v. Wade is overturned, posing significant risks for patient care. The researchers estimate that 44.8% of programs are in states where abortion will be banned, while 43.9% of residents have received training in these sta...

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.

All cells are important: A roadmap to characterize lymphoma stroma

The study found significant heterogeneity among non-hematopoietic cells (NHCs) in human lymph nodes, with subgroups exhibiting distinct transcriptional changes and interaction patterns with malignant cells. This discovery may lead to the identification of potential biomarkers for therapeutic approaches.

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.

Finding new weapons in nature's battlesites

A research team from the Max Planck Institute for Terrestrial Microbiology has identified 1,000 biosynthetic gene clusters, over half of which are previously unknown. These natural products have been found to be eukaryotic proteasome inhibitors that suppress the immune system of insects, as well as other virulence factors.

Tumors on withdrawal: Amino acid deficiency shrinks childhood tumors

Researchers discovered that neuroblastoma cells with high MYCN activity need cysteine, an amino acid crucial for protein production. Depriving these cells of cysteine triggers ferroptosis, a form of cell death, causing tumors to shrink. The study provides new insights into the treatment of aggressive neuroblastoma in children.

New study finds climate change could spark the next pandemic

A new study predicts climate change will lead to a viral jump to humans, increasing the risk of the next pandemic. Rising temperatures will have a devastating impact on bats, allowing them to travel long distances and share viruses with unprecedented rates.

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.

Risk factors for severe COVID-19 in hospitalized adults differ by age

Researchers found that vital signs and lab results at hospital admission are key predictors of disease severity. Age groups between 18-50 and 50+ showed different risk factors for severe cases and death. The study's findings suggest a need for updated models reflecting current standard care, where physiological parameters can be more h...

Model pinpoints glaciers at risk of collapse due to climate change

A University of California, Berkeley scientist has created a model that predicts the most vulnerable glaciers in the Arctic and Antarctic are thick and fast-moving ones. The new model incorporates the effects of meltwater lubricating their downhill flow, suggesting these glaciers are more sensitive to climate change.

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.

Discovery of 30 exocomets in a young planetary system

An international team of scientists has discovered 30 exocomets in the β Pictoris planetary system, determining their size range and estimating a similar size distribution to those orbiting the Sun. This discovery sheds new light on the origin and evolution of comets in planetary systems.

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.