Researchers have found that a group of chemicals known as PFAS can be transferred from mother dolphins to their nursing calves, adding to the evidence that these persistent contaminants can be transferred from mothers to offspring during early development.
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A nighttime view of Earth, derived from satellite images taken daily over the past decade, capturing human activity on the planet through the emissions of artificial light, is seen in this image released on 8 April 2026. Photograph: Michala Garrison/Nasa Earth Observatory/Reuters
