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The growth of bacteria on everyday objects and the antimicrobial effects of household spices

Daehan Yi et al. | Apr 29, 2026

The growth of bacteria on everyday objects and the antimicrobial effects of household spices
Image credit: Daehan Yi, Boughaleb Hassani and Ribeiro

The study investigates the antibacterial properties of household spices on bacteria isolated from everyday objects, aiming to address the limited understanding of bacterial resilience on surfaces and the potential of spices as antibacterial agents. Researchers hypothesized that bacteria would grow faster on some surfaces than others and that spices like honey, chili powder, turmeric, and sumac would inhibit bacterial growth at varying rates. The findings suggest that household spices possess significant antibacterial properties and could be used as emergency disinfectants, particularly in under-resourced settings. However, they cannot replace medical treatments but offer insights into alternative health solutions using common ingredients.

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Redefining and advancing tree disease diagnosis through VOC emission measurements

Stoica et al. | Mar 27, 2025

Redefining and advancing tree disease diagnosis through VOC emission measurements

Here the authors investigated the use of an affordable gas sensor to detect volatile organic compound (VOC) emissions as an early indicator of tree disease, finding statistically significant differences in VOCs between diseased and non-diseased ash, beech, and maple trees. They suggest this sensor has potential for widespread early disease detection, but call for further research with larger sample sizes and diverse locations.

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