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Science News for September 21, 2025


How packaging shapes GABA and lactic acid levels in broccoli rabe florets

A study reveals how packaging shapes the metabolism of organic broccoli rabe florets, leading to increased γ-aminobutyric acid (GABA) and lactic acid levels. The research found that low-oxygen conditions trigger a carbohydrate sink into GABA and LA pathways, offering insights for both quality preservation and consumer health.

SourceNanjing Agricultural University The Academy of Science·JournalHorticulture Research·DateSep 21, 2025

Study reveals metabolic markers may predict breast cancer in high-risk women

A new study at Columbia University Mailman School of Public Health identified eight metabolic features significantly associated with breast cancer risk. The analysis improved predictive accuracy from 66 percent to 83 percent when incorporating metabolic data into existing risk prediction models.

SourceColumbia University's Mailman School of Public Health·JournalBreast Cancer Research·DateSep 21, 2025
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.

Scientists call for urgent action to reduce children’s plastic exposure

A review of hundreds of studies found a link between childhood plastic exposure and long-term health concerns like heart disease, obesity, and asthma. Parents can take simple steps to limit their children's plastic exposure, such as replacing plastic containers with glass or stainless steel.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalThe Lancet Child & Adolescent Health·TypeLiterature review·DateSep 21, 2025

Gene disruption triggers ploidy doubling in watermelon

A study found that disrupting the ClOSD1 gene in watermelon causes both somatic and gametic ploidy doubling, leading to enhanced growth traits and altered reproductive behaviors. This discovery establishes a genetic entry point for developing new polyploid breeding strategies.

SourceNanjing Agricultural University The Academy of Science·JournalHorticulture Research·DateSep 21, 2025

Eat your greens and skip the sugar spikes

Researchers found that consuming cruciferous vegetables improved glycaemic control and reduced sugar spike variability in non-diabetic adults with elevated blood pressure. The study suggests incorporating these vegetables into dietary recommendations for better blood sugar regulation.

SourceEdith Cowan University·JournalDiabetes Obesity and Metabolism·TypeRandomized controlled/clinical trial·DateSep 21, 2025

Engineered gut bacteria improves survival outcomes in colorectal cancer tumors

Researchers developed an engineered strain of gut-homing bacteria that induces mature tertiary lymphoid structures, associated with improved survival and stronger treatment responses. The therapy also restored healthy gut microbiota and showed excellent biocompatibility.

SourceNational University of Singapore, Yong Loo Lin School of Medicine·JournalScience Translational Medicine·DateSep 21, 2025
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.

Cardboard and earth reshape sustainable construction

Engineers at RMIT University have developed cardboard-confined rammed earth, a novel building material that uses locally sourced materials and reduces waste going to landfill. The material boasts one quarter of the carbon footprint of concrete and can be made on-site using cardboard formwork.

SourceRMIT University·JournalStructures·TypeExperimental study·DateSep 21, 2025

Less invasive brainwave recording breakthrough

Researchers at The University of Osaka have developed a minimally invasive method for recording brain activity through blood vessels, offering high-fidelity recordings without the risks associated with traditional invasive approaches. This breakthrough could transform the diagnosis and treatment of neurological conditions like epilepsy.

SourceThe University of Osaka·JournalAdvanced Intelligent Systems·TypeExperimental study·DateSep 21, 2025

Leopard shark sex tape: a scientific first

A University of the Sunshine Coast researcher has documented the world's first recorded and scientifically observed three-way mating between two male and one female leopard sharks. The video provides valuable insights into the species' natural mating behavior and informs conservation strategies.

SourceUniversity of the Sunshine Coast·JournalJournal of Ethology·TypeObservational study·DateSep 21, 2025
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.

Deformable particles gradually home in microfluidic channels

A joint team from The University of Osaka revealed that soft particles exhibit unique focusing patterns compared to rigid particles, influencing their focusing behavior. The study provides fundamental insights into the underlying physics, offering a new theoretical model explaining particle behavior under various flow regimes.

SourceThe University of Osaka·JournalJournal of Fluid Mechanics·TypeComputational simulation/modeling·DateSep 21, 2025

Oral bacteria linked to Parkinson’s via the gut-brain axis

Research links oral bacteria to Parkinson's disease via the gut-brain axis, finding Streptococcus mutans produces metabolite imidazole propionate that contributes to disease progression. Targeting the oral-gut microbiome may offer a new therapeutic approach for Parkinson's treatment.

SourcePohang University of Science & Technology (POSTECH)·JournalNature Communications·DateSep 21, 2025