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Science News Archive 2023


Page 288 of 444

Tuning brain cells with light

Scientists are investigating how brain immune cells called microglia change shape in response to hazards using gene transcripts as molecular mediators. The goal is to gain insights into the mechanisms involved and potentially develop new therapies for neurodegenerative diseases.

The evolution of honey bee brains

Researchers found that three specialized Kenyon cell subtypes in honey bees evolved from a single, multifunctional ancestor, potentially offering insights into human behavior. Transcriptome analysis revealed comparable similarity between the Kenyon cell subtypes of sawflies and honey bees.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Calls for more positive health messaging around fertility

A new study recommends using more positive and empathetic language to communicate fertility awareness, targeting both men and women. The review suggests five key changes to promote fertility awareness in a supportive way, including avoiding blame and stigma, emphasizing the choice of parenthood, and promoting healthy habits.

St. Jude tool gets more out of multi-omics data

Researchers developed NetBID2 to analyze multi-omics data and find hidden druggable targets in cancer. The tool successfully identified previously unappreciated roles for genes like MYC and NOTCH1 in adult lung cancer and pediatric leukemia, highlighting its potential for accelerating clinical trials.

Swaddles, hugs > withdrawal drugs

A new study published in The New England Journal of Medicine found that the 'Eat, Sleep, Console' care approach reduces opioid-exposed newborns' hospital stays and medication use. This approach prioritizes family-centered care and non-pharmacological interventions to minimize withdrawal symptoms.

Fluke 87V Industrial Digital Multimeter

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

How seaweed has been misleading scientists about reef health

Researchers found that using seaweed coverage as an indicator of reef health is flawed and may even hide signs of stress. Local species behave differently in response to human impacts, making it crucial for scientists to develop new methods to assess reef health.

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.

How cancer genes become independent

A new study has provided insight into the mysterious evolution of DNA rings in tumors, revealing that nearly one-third of all tumors have these genetic structures. The researchers used a technology to trace the path of DNA ring development in neuroblastoma cells, finding that large rings contain cancer genes spurring cell growth.

Study proves red light promotes growth of Haematococcus pluvialis

Researchers from Hefei Institutes of Physical Science found that red light enhances photoautotrophic growth of Haematococcus pluvialis, increasing CO2 fixation rates through regulated carbonic anhydrase activity. The study provides guidance for efficient use of light in microalgal culture.

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.

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.

Red flags indicate risk for early-onset colorectal cancer

Researchers have found four key red flags for early-onset colorectal cancer, including abdominal pain and rectal bleeding, which can indicate an increased risk in younger adults. Early detection through timely endoscopy and follow-up is crucial to improve survival rates.

Quan­tum com­puter in reverse gear

Researchers at the University of Innsbruck have developed reversible parity gates for integer factorization using quantum computers. This breakthrough enables the solution of a crucial pillar of cryptography, allowing for faster and more efficient factorization.

Gene responsible for severe facial defects identified

A team of researchers from UNIGE and Beihang University has identified the FOXI3 gene as responsible for one form of Goldenhar syndrome, a rare congenital disorder. Pathogenic variants in both copies of the FOXI3 gene are necessary for the disease to develop, following an autosomal recessive inheritance pattern.

Gene Tiam1 orchestrates the development of chronic neuropathic pain

Researchers discovered that the gene Tiam1 regulates normal synapse development but also drives structural and functional changes leading to neuropathic pain. Eliminating or blocking Tiam1 activity in animal models prevented or reversed chronic pain, suggesting a potential therapeutic strategy.

Apple iPhone 17 Pro

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

Biological age increases with stress but can be reversed

A recent study published in Cell Metabolism found that biological age increases with stress from surgery, pregnancy, and severe COVID-19, but can be reversed upon recovery. The study used 'biological clocks' to measure the health of cells and tissue, revealing a dynamic relationship between stress and biological aging.

AI training: A backward cat pic is still a cat pic

Researchers have developed a new method called EvoAug that uses artificial DNA sequences inspired by evolution to train deep neural networks for genome analysis. This approach enables the model to recognize regulatory motifs more accurately, leading to better performance and potential breakthroughs in understanding human health.

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.

Bio-inspired device captures images by mimicking human eye

Scientists at Penn State developed a new device that produces high-fidelity images by mimicking the red, green, and blue photoreceptors and neural network found in human eyes. The device uses narrowband perovskite photodetectors and a neuromorphic algorithm to process information and produce clear images.

Chimpanzees combine calls to communicate new meaning

A study by the University of Zurich found that chimpanzees understand and respond strongly to combined calls, which they use to recruit group members in threatening situations. This discovery sheds light on the potential evolutionary origins of language's compositional structure, suggesting it may be at least 6 million years old.

Alternative fuel for string-shaped motors in cells

Researchers found a two-component molecular motor system using Rab5 and EEA1, which works similarly to a Stirling engine to distribute cargo in membrane-bound organelles. The motor is driven by GTP instead of ATP, with flexibility transitions cycles between rigid and flexible states.

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.

Organoids validated as tool for studying fetal intestine development

Cincinnati Children's scientists have successfully grown functional human intestinal organoids that mimic key development stages of the human fetus. These lab-grown tissues accurately replicate the formation of specific cell types and tissue structures, providing a valuable resource for studying fetal intestine development and potentia...

Chemical signal protects migratory locusts from cannibalism

A study found that migratory locusts release phenylacetonitrile (PAN) to protect themselves from cannibalism, which contributes to their swarming behavior. The compound acts as an anti-cannibalistic signal, increasing when population density rises.

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.

Fred Hutch study highlights racial disparities in ovarian cancer risk for women

A recent Fred Hutchinson Cancer Center study found that fibroids were associated with an increased risk of ovarian cancer in both Black and white women, while hysterectomy modified this risk for white women but not Black women. The study highlights the need for further research into racial disparities in ovarian cancer risk.

High school students learn the basics of base editing to cure “GFP-itis”

Students participate in a genome-editing experiment to correct a mutation that causes 'GFP-itis', gaining hands-on experience with gene editing and understanding its therapeutic potential. The program aims to encourage critical thinking about the implications of germline genome editing and inspire students to pursue careers in STEM.

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.

Young men at highest risk of schizophrenia linked with cannabis use disorder

A recent NIH study reveals that young men with cannabis use disorder are at a higher risk of developing schizophrenia. The study analyzed health records data from over 6 million people in Denmark and found that as many as 30% of schizophrenia cases among young men aged 21-30 might have been prevented by averting cannabis use disorder.

Meta Quest 3 512GB

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

The Texas Heart Institute and The University of Texas at Austin awarded a National Institutes of Health grant to develop injectable hydrogel electrodes to prevent ventricular arrhythmias

The Texas Heart Institute and The University of Texas at Austin receive a four-year, $2.37 million NIH grant to develop injectable hydrogel electrodes for preventing and managing ventricular arrhythmias. Researchers have already demonstrated the feasibility of pacing the heart using the hydrogel in a porcine model.

Obesity as a risk factor for colorectal cancer underestimated so far

A recent study has shown that obesity is a significant risk factor for colorectal cancer, with overweight individuals having a one-third higher risk of developing the disease. The study also found that unintentional weight loss in the years leading up to diagnosis may be an early indicator of colorectal cancer.

Time-resolved crystallography for the masses

The Spitrobot simplifies sample preparation for time-resolved crystallography, allowing non-specialist groups to conduct experiments that previously required expert expertise. This technology accelerates research in enzymatic mechanisms and enables broader applications in biotechnology and disease-related problems.

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.

Researchers discover a potential cause of Parkinson’s disease

A study by University of Helsinki researchers identifies specific Desulfovibrio bacterial strains as a primary cause of Parkinson's disease in most cases. The findings suggest that these bacteria can trigger aggregation of the alpha-synuclein protein, potentially leading to disease progression.

Older people have better mental well-being than 30 years ago

The study found that current 75- and 80-year-olds experience fewer depressive symptoms than those who lived in the 1990s, attributed to improved health and education. However, satisfaction with life was not significantly different between cohorts.

New guidance to help diagnose hoarding disorder

Hoarding disorder affects 2% of the population with clutter in homes and excessive acquisition of possessions. The new guidance provides best practice for diagnosing and supporting those affected.

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.

Machine learning can support urban planning for energy use

Researchers at Drexel University developed a machine learning model to predict Philadelphia's future energy use based on zoning decisions and building characteristics. The model uses two machine learning programs to tease out patterns from massive datasets and make projections about future energy consumption.

AI could run a million microbial experiments per year

A new AI system, BacterAI, has mapped the metabolism of two beneficial bacteria associated with oral health. By testing hundreds of amino acid combinations daily, it discovered the required nutrients for their growth, producing accurate predictions 90% of the time. This technology could drastically speed up scientific discoveries in va...