Zooplankton migration is "the greatest migration on Earth. It happens every day and it's amazing." A satellite view reveals the hordes of tiny creatures.
Tags: migration lasers oceans satellites science-and-technology zooplankton
Daphnia, called water fleas, gain protection from parasites from toxins in the cyanobacteria they eat. Are they self-medicating?
Tags: bacteria toxins parasites science-and-technology lakes zooplankton
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