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Science News Archive October 2021


Page 24 of 40

Increases in extreme humid-heat disproportionately affect populated regions

A new study by Washington State University scientists finds that people living in areas with humid-heat extremes are bearing the brunt of the impact. The researchers identify a greater increase in population exposure to humid-heat as compared to dry-heat, emphasizing the importance of understanding humidity changes in a warming world.

Immune system keeps the intestinal flora in balance

A team of scientists has found that IgA antibodies, a natural defense substance in the human body, can limit the fitness of benign bacteria in the intestine. This discovery helps maintain a delicate balance between the human organism and the intestinal flora.

Apple iPhone 17 Pro

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

Smoke from nuclear war would devastate ozone layer, alter climate

A new study finds that massive columns of smoke from a nuclear war would destroy much of the ozone layer over a 15-year period, with peak ozone loss averaging about 75% worldwide. This would lead to devastating effects on human health and food supplies, as well as terrestrial ecosystems.

'Broken heart' syndrome is on the rise in women

A recent study by the Smidt Heart Institute found that middle-aged and older women are being diagnosed with 'broken heart' syndrome more frequently—up to 10 times more often—than younger women or men of any age. The incidence has been rising steadily since before the COVID-19 pandemic, suggesting a possible link between stressors, brai...

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.

Stress on mothers can influence biology of future generations

Biologists found that a mother roundworm's response to heat stress affects not only her offspring but also their children. The researchers discovered a protein called HSF1 that collaborates with mechanisms to establish stress memory in eggs, which are then passed on through conception.

A crystal ball into our solar system’s future

Researchers detected giant gas planet with Jupiter-like orbit around white dwarf star, confirming planets can exist beyond star death; study suggests Jupiter and Saturn may survive Sun's red giant phase.

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.

Storing data as mixtures of fluorescent dyes (video)

Researchers have developed a novel data storage method using mixtures of fluorescent dyes, which can store binary information at high density with fast read/write speeds. The technique encodes sequences of 0s and 1s into dye molecules, allowing for the storage of digital information for thousands of years or longer.

Pandemic-related grief may hamper bond between mothers and babies

A recent study by Brigham and Women's Hospital found that pandemic-related grief and depressive symptoms are associated with lower levels of mother-infant bonding. Higher self-efficacy and social support were also linked to better bonding outcomes, while anxiety symptoms were not a significant factor.

Did Venus ever have oceans?

A team of astrophysicists led by Martin Turbet from UNIGE and NCCR PlanetS found that Venus's climate conditions prevented the formation of oceans. The study suggests that the Earth could have suffered a similar fate if it had been closer to the Sun or had weaker radiation in its youth.

Metamaterial eENZ can control correlations of light

A team at Tampere University has created a metamaterial eENZ mirror that can control the correlation properties of light, switching between high and low correlation states. By manipulating polarization, they achieve near-perfect coherence switching.

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.

Formula milk trials are not reliable, warn experts

A comprehensive review of formula milk trials found that only 17% were conducted independently of formula companies, and most had a high risk of bias due to selective reporting. The researchers call for substantial changes in the conduct and reporting of formula trials to protect participants from harm.

Quick test for potential probiotic in seawater may reveal health of corals

Researchers developed a quick test to identify beneficial bacteria species known to benefit coral, allowing for non-invasive assessment of coral health. The method enables rapid detection of specific bacterial species in seawater and coral samples, suggesting that the bacteria may be concentrated in coral.

Crafting a “sponge” for adsorbing and desorbing gas molecules

A team of scientists has created a novel material composed of catenane molecules, which can adsorb and desorb gas molecules like carbon dioxide. The soft crystal exhibits unique properties, including porosity and deformability, making it suitable for applications such as capturing CO2 molecules.

How long does a neutron live?

Physicists have made the most precise measurement yet of a neutron's lifetime, revealing that it lives 14.629 minutes with an uncertainty of 0.005 minutes. This result brings scientists closer to understanding why two previous methods disagree and could provide evidence for new physics.

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.

Lack of power grids sealed fate for early electric cars

A recent study from Lund University reveals that inadequate infrastructure hindered the adoption of electric cars in the early 20th century. Electric cars were cheaper to drive and emitted less CO2 than gasoline cars, but access to local electrical infrastructure was a major factor in their popularity.

Quarks and antiquarks at high momentum shake the foundations of visible matter

Two independent studies illuminate unexpected substructures in fundamental components of all matter. One study presents new evidence on the EMC effect by tagging spectator neutrons, offering direct insight into its origin. Meanwhile, a team from Fermilab found evidence that antimatter asymmetry plays a crucial role in nucleon properties.

Fewer frogs died by vehicles in the outset of the pandemic, study finds

A new study led by a University of Maine graduate student found that 50% fewer frogs died from vehicle collisions in spring 2020 compared to previous years. This decline was part of a broader reduction in animal road fatalities during the pandemic, similar to findings in other studies worldwide.

Ultrasound can enable faster, more sustainable battery recycling

Researchers at KTH Royal Institute of Technology developed an ultrasound-assisted extraction method for valuable metals from electric car batteries, reducing extraction time by 50% and increasing metal ion recovery. The new process uses gentler acids and eliminates the need for harsh chemicals.

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.

Hurricane Michael damage wins 2021 DesignSafe Dataset Award

The StEER Network's post-event reconnaissance helped assess building damage from Hurricane Michael, revealing widespread wind- and surge-induced damage. The dataset has been used to develop data-driven fragilities, train machine learning applications, and inform policy and practice improvements for coastal communities.

Fluke 87V Industrial Digital Multimeter

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

Pain relief without side effects with promising technique

Researchers at Lund University have developed a promising new pain relief method using ultra-thin microelectrodes, providing effective and personalized pain relief without common side effects. The study showed that this technique can block pain signals in the brain without affecting other sensory systems or motor skills.

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.

LSU Health funded to support community health workers for pandemic response

LSU Health has been awarded funding to support community health workers in New Orleans and throughout Louisiana, enabling them to serve as liaisons between healthcare services and under-resourced communities. The grants will promote health equity and provide essential public health response to the COVID-19 pandemic.

Solving mystery of rare cancers directly caused by HIV

A team of scientists from the University of Pittsburgh and National Cancer Institute discovered why HIV is rarely the direct cause of cancer. The research found that it requires a specific series of events involving changes in HIV and additional mutations in human genes, resulting in T cell lymphomas. However, the occurrence is rare, a...

Meta Quest 3 512GB

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

Empowering Communities through Local Monitoring

The article discusses community-based environmental monitoring, which allows local members to collect and analyze data independently. This approach has the potential to empower Indigenous rightsholders and stakeholders, and contribute to meeting contemporary sustainability challenges.

Society for Endocrinology annual conference heads to Edinburgh

The Society for Endocrinology's annual conference will feature world-leading scientific and clinical research on endocrine clinical practice. The event will showcase the latest innovations in endocrine medicine, including Medal and Award lectures by renowned experts.

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.

Troubling birth findings show importance of timely flu vaccination

New research from an international team of scientists found that poor timing of influenza vaccination campaigns in Brazil led to increased premature births, lower birth-weight babies, and the need for more cesarean sections. The study suggests that earlier flu vaccination campaigns could better protect pregnant women and their babies.

Stanford-led research underscores pollution’s impact on child health

A Stanford-led study found that tiny airborne particles can cause inflammation and impair the body's ability to fight infection in children. The analysis, published in Environmental Pollution, estimates that increased particulate matter can lead to twice as many pneumonia hospitalizations as previously thought.

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.

Genes and collective behaviour

Researchers used CRISPR-Cas9 technique to edit genes in zebrafish larvae, altering individual behavioral responses and group behavior. The study suggests two simple visuomotor reflexes explain the collective behavior of zebrafish.

HSE University researchers explain behaviour of chaotic systems

Researchers from HSE University's Laboratory of Complex Systems Modeling and Control proposed a new mechanism explaining power-law patterns in real-world systems. The discovery may improve understanding of processes leading to strong earthquakes, forest fires, financial market crashes, and social network synchronization.

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.

Fluorescent spray lights up tumors for easy detection during surgery

Scientists developed a fluorescent spray that specifically targets and illuminates cancerous tissue, enabling precise tumor detection and removal during surgery. The innovative approach offers a solution to the challenge of distinguishing between healthy tissue and cancerous cells.