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Science News Archive April 2023


Page 25 of 37

Novel possibility to stop dementia progression?

Researchers at the University of Helsinki discovered a potential treatment for Alzheimer's disease and frontotemporal dementia using a PREP inhibitor. The PREP inhibitor reduced Tau accumulation and toxicity in cellular models and mice with tauopathy, improving cognitive skills.

Scientists track evolution of microbes on the skin’s surface

Researchers tracked the evolution of Staphylococcus aureus in patients with eczema, discovering rapid mutations in a gene that enables the bacteria to grow faster on the skin. These findings could lead to targeted treatments by targeting variants of S. aureus associated with eczema symptoms.

Apple iPhone 17 Pro

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

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.

Free trade deal is a major threat to UK public health, warn experts

Experts warn that the UK's free trade deal with CPTPP will make it harder to regulate tobacco and alcohol, ban products containing harmful pesticides, and enact policies to cut consumption of unhealthy food and drinks. A health impact assessment is needed to evaluate the potential benefits and harms of this deal.

Mitochondria power-supply failure may cause age-related cognitive impairment

Researchers at Salk Institute discover that dysfunctional mitochondria at synapses fail to meet energetic demand, supplying either too much or too little power and potentially causing working memory impairment with age. Adherence to the ultrastructural size principle is essential for avoiding cognitive decline in aging brains.

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.

Organoids shown to speed glycoengineered vaccine development

Researchers have developed an organoid-based method to assess the potency of glycoconjugate vaccines, speeding up the vaccine development process. This method uses tissue from a single mouse to create hundreds of immune organoids, allowing for the assessment of dozens or even hundreds of vaccine candidates in just four days.

When cells sense the cue for growth

Researchers discovered a novel function of Claspin in the nutrition-induced signaling pathway, essential for activation of PI3K-PDK1-mTOR pathway and cell survival. This finding provides new targets for therapeutic interventions of metabolic disorders such as obesity, diabetes, and cancers.

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.

Is the language you speak tied to outcome after stroke?

A new study found that Mexican American people who spoke only Spanish had worse neurologic outcomes three months after a stroke compared to those who spoke English or were bilingual. The study involved 1,096 participants and controlled for factors such as education and blood pressure.

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.

Research identifies new target that may prevent blood cancer

Researchers at Vanderbilt University Medical Center have discovered a new way to measure the growth rate of precancerous clones of blood stem cells using a technique called PACER. The findings suggest that drugs targeting the gene TCL1A may be able to suppress clonal growth and associated cancers.

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.

COVID-19 increased weekday screentime for children: study

A new study found that the COVID-19 pandemic resulted in a significant increase in weekday screen time among school-aged children, with boosts of up to 1.35 hours per day. This finding suggests that children used screens to fill time previously spent at school or participating in extra-curricular activities.

People who think positively about aging are more likely to recover memory

A Yale School of Public Health study found that older persons with mild cognitive impairment (MCI) who adopted positive age beliefs were 30% more likely to regain normal cognition compared to those with negative beliefs. These positive beliefs also enabled participants to recover their cognition up to two years earlier.

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.

HD 169142 b, the third protoplanet confirmed to date

Researchers confirmed a new protoplanet, HD 169142 b, orbiting a star 374 light years away. The planet is estimated to be about 37 astronomical units from its star and has carved an annular gap in the surrounding gas and dust disk.

Reduced health risks with new epoxy resin monomer

Researchers at the University of Gothenburg have developed a new epoxy resin monomer based on isosorbide, a substance produced from glucose, to reduce contact allergies. The new monomer is far less allergenic and not based on Bisphenol A (BPA), a known endocrine disruptor.

New study flips the script on liver cancer

Researchers found that a protein associated with liver cancer, ATF4, protects the liver by promoting the expression of SLC7A11, which suppresses ferroptosis and slows liver cancer progression. This unexpected result could inspire new treatments for preventing liver disease and cancer.

Fluke 87V Industrial Digital Multimeter

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

Genes are read faster and more sloppily in old age

As organisms age, gene transcription speed increases but accuracy decreases, leading to lower-quality proteins. However, researchers found that dietary restrictions and certain interventions can reverse this process, revealing a potential molecular mechanism for healthy aging.

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.

Got milk? The ancient Tibetans did, according to study

Researchers found that dairy pastoralism began on the highland plateau by about 3500 years ago, supported by palaeoproteomic analysis of ancient milk proteins. This early adoption enabled expansion into the region's vast, non-arable highlands, facilitating long-term human occupation.

Sex of blood donor has no effect on recipient survival

A large clinical trial of over 8,700 patients found that the sex of a donor has no effect on the survival of recipients of red blood cell transfusions. The study used a pragmatic approach to answer the question definitively and was conducted at a lower cost than typical trials.

How different were galaxies in the early universe?

The HERA team has improved the sensitivity of a radio telescope, allowing them to detect radio waves from the cosmic dawn era. The data suggests that early galaxies contained few elements besides hydrogen and helium, unlike modern galaxies.

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.

Researchers reveal stability origin of Dion-Jacobson 2D perovskites

The study reveals that the stability of Dion-Jacobson 2D perovskites is determined by the rigidity of organic diammonium cations. This mechanism allows for intercoordination between organic and inorganic components, enabling a stabilized state. The findings may provide guidance for manipulating the stability of DJ 2D perovskites.

Photoacoustic remote sensing microscopy for lipid imaging

This technology uses light and sound to create images of the inside of the body. The research team developed a novel method that eliminates the need for ultrasonic transducers, allowing for non-contact photoacoustic signal detection and improved sensitivity. The technique has great application potential in various biomedical research.

Luminous molecules

A team of chemists at the University of Basel has successfully synthesized organic light-emitting diodes by creating compounds with the exact three-dimensional structure desired. This breakthrough enables the development of more efficient and longer-lasting OLEDs.

NCCN Annual Conference brings up important questions for improving cancer care

The NCCN 2023 Annual Conference emphasized the importance of fostering welcoming environments for patients and staff, ensuring care meets latest standards, and rejecting a one-size-fits-all approach. Key findings included the need to address systemic bias, social determinants of health, and staffing issues in cancer care.

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.

How skates learned to fly through water

Researchers discovered that skates' remarkable fins result from changes in their genome's non-coding regions and three-dimensional complexes called topologically associated domains (TADs). These alterations drove the evolution of unique gene-expression patterns, enabling the development of exceptionally wide fins.

Nanotubes as optical stopwatch for the detection of neurotransmitters

Researchers have developed a new detection method using carbon nanotubes to measure the duration of dopamine release in the brain. This allows for more robust detection and monitoring of neurotransmitters, which is crucial for understanding neurological disorders such as Parkinson's disease.

Diphtheria outbreak – updates from Europe, UK, Germany, Austria

A growing number of European countries have experienced diphtheria outbreaks primarily associated with recently arrived migrants. Key findings indicate that whole genome sequencing and phylogenetic analysis reveal that the toxin-producing bacteria were acquired during migration rather than in their home country or Germany.

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.

How did Earth get its water?

Researchers propose that early interactions between the magma ocean and a molecular hydrogen proto-atmosphere could have given rise to Earth's signature features, including its abundant water. The study suggests that even dry rocky material collisions would generate large quantities of water through these atmospheric-magma interactions.

The glyphosate filter

Researchers have developed a new class of materials that can efficiently remove glyphosate from groundwater. The new metal-organic frameworks (MOFs) have a large surface area and can be customized depending on the application.

The brain’s support cells may play a key role in OCD

Researchers at UCLA Health discovered that astrocytes, traditionally considered the brain's support system, are involved in obsessive-compulsive disorder-related behaviors. The study suggests that targeting both neurons and astrocytes may be effective for OCD treatment.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Molecular signatures in maternal and cord blood linked to autism risk

A new study has identified disrupted levels of molecular compounds in maternal blood and cord blood linked to later diagnosis of autism spectrum disorder. The findings shed light on the biological processes that give rise to ASD and could open the door to early diagnosis and treatment.

Toward a safer ‘artificial muscle’ material

Researchers have created a new material that responds to substantially lower electrical charges, making it suitable for use in medical devices. The material, made of bottlebrush polymers, was found to expand and contract over 10,000 times before degrading when stimulated by voltages as low as 1,000 V.