A sudden, unexplained mass die-off is decimating sea urchins around the world, including catastrophic losses in the Canary Islands. Key reef-grazing species are reaching historic lows, and their ability to reproduce has nearly halted in some regions. Scientists suspect a pathogen but haven’t yet confirmed the culprit. The fate of these reefs may hinge on solving this unfolding pandemic.
source https://www.sciencedaily.com/releases/2025/12/251211100618.htm
Hidden fuel for ocean microbes: Urea emerges as key energy source for
marine ammonia oxidizers
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Ammonia-oxidizing archaea (AOA) are some of the most abundant
microorganisms in the ocean and play a key role in nitrogen cycling. Yet,
despite their ubiqu...
18 hours ago
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