Microplastics are found everywhere on Earth, yet we know surprisingly little about what risks they pose to living things. Scientists are now racing to investigate some of the big unanswered questions.
Daniella Hodgson is digging a hole in the sand on a windswept beach as seabirds wheel overhead. "Found one," she cries, flinging down her spade.
She opens her hand to reveal a wriggling lugworm. Plucked from its underground burrow, this humble creature is not unlike the proverbial canary in a coal mine.
A sentinel for plastic, the worm will ingest any particles of plastic it comes across while swallowing ...
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