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Deep-sea creatures’ epic migrations between hydrothermal vents

Researchers from the University of Tokyo used limpet shell analysis to reconstruct the journeys of tiny creatures between hydrothermal vents, finding they explore sunlit upper ocean during larval stage. This discovery helps explain how animals living at isolated vent sites can spread over hundreds or thousands of kilometers.

SourceUniversity of Tokyo·JournalScience Advances·TypeObservational study·DateJul 15, 2026

Where do microplastics go once they sink into the ocean?

New method detects small microplastic concentrations up to 10,000 particles per cubic meter, with drift and sinking behaviors observed. Microplastics reach sea depths via biofouling or neutral buoyancy, affecting marine environment and necessitating urgent countermeasures.

SourceKyushu University·JournalEnvironmental Science & Technology·TypeExperimental study·DateDec 1, 2025

Threat of bioaccumulation: New study investigates impact of polycyclic aromatic hydrocarbons on bay scallops

Researchers evaluated the toxicological effects of BaP on bay scallops, finding increased immune response-related parameters with time at higher concentrations. The study suggests that BaP dampens the immune response of scallops and decreases their capacity to respond to oxidative stress.

SourceNational Korea Maritime and Ocean University·JournalFish & Shellfish Immunology·TypeExperimental study·DateMay 31, 2022