A comparison of the fast-growing fish-eating Baltic herring (Slåttersill in Swedish) and slow-growing plankton-eating spring- and autumn-spawning Baltic herring. Photo: Leif Andersson. Atlantic and ...
Richard Kirby, a marine biologist based in Plymouth, England, was looking at zooplankton wriggling under a microscope when he spotted something else: shreds of plastic pieces interlaced with the tiny ...
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