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Results for "heat stress"

Researchers crack nature’s code to coral resilience

KAUST ·

KAUST researchers have discovered that a coral's resilience to rising temperatures is determined by the microorganisms living inside them. The study identifies specific combinations of microeukaryotes and bacteria that enhance heat resistance in corals. This finding provides valuable clues for developing coral probiotics to protect and restore coastal reefs. Why it matters: This breakthrough could lead to effective interventions to combat coral bleaching and preserve vital marine ecosystems in the Red Sea and beyond.

Probiotics for corals boost resilience, help prevent mortality

KAUST ·

KAUST researchers demonstrated that Beneficial Microorganisms for Corals (BMC) can help corals recover from thermal stress by stimulating immune processes and rebuilding their microbiome. The study, published in Science Advances, showed that probiotic treatments can protect bleached corals from death. The research was conducted at the Federal University of Rio de Janeiro (UFRJ) and the KAUST Red Sea Research Center, with funding from the Great Barrier Reef Foundation and the Tiffany & Co Foundation. Why it matters: This finding offers a promising solution for mitigating the impacts of climate change on coral reefs, which are vital ecosystems facing increasing threats from warming ocean temperatures.

Enhancing Construction Worker Safety in Extreme Heat: A Machine Learning Approach Utilizing Wearable Technology for Predictive Health Analytics

arXiv ·

Researchers in Saudi Arabia developed and evaluated deep learning models, specifically LSTM and attention-based LSTM, to predict heat stress among construction workers. The study monitored physiological data like heart rate and oxygen saturation from 19 workers using Garmin Vivosmart 5 smartwatches. The attention-based model achieved 95.40% testing accuracy with superior precision, recall, and F1 scores of 0.982, significantly outperforming the baseline. Why it matters: This approach offers a proactive, data-driven solution for enhancing worker safety in extreme heat conditions, particularly relevant for the construction sector in the Middle East.

Plants reorganize proteins to protect photosynthesis during extreme heat

KAUST ·

Researchers at King Abdullah University of Science and Technology (KAUST) discovered a mechanism by which plants protect photosynthesis under high temperatures. They identified that the protein protochlorophyllide oxidoreductase reorganizes into chloroplast stress granules, which helps protect and restore the plant's ability to convert sunlight into chemical energy. Plants lacking this protein struggled more under heat stress, indicating its role in natural resilience. Why it matters: This discovery offers new insights into plant protection against heat, potentially guiding the development of more resilient crops vital for food security in arid regions like Saudi Arabia.