Nanoplastics can accumulate in developing hearts, according to a study published in Environment International by biologist Meiru Wang from Leiden University. Her research on chicken embryos sheds new light on how these tiny plastic particles pose a threat to our health. Nanoplastics can accumulate in developing hearts, according to a study published in Environment International by biologist Meiru Wang from Leiden University. Her research on chicken embryos sheds new light on how these tiny plastic particles pose a threat to our health. Bio & Medicine Phys.org – latest science and technology news stories