How a common sunscreen ingredient turns toxic in the sea, how renewable technologies are being developed in one of the northernmost towns in the world and how tree-ring scientists find old growth trees in New York City.
. Sea anemones, which are similar to corals, make oxybenzone water-soluble by tacking a sugar onto it. This inadvertently turns it into a molecule that is activated by sunlight and can damage cells. The animals “convert a sunscreen into something that’s essentially the opposite of a sunscreen”, says environmental engineer Djordje Vuckovic.
. Draft guidelines, released by China’s Ministry of Science and Technology in March, were developed in response to companies exporting genetic data without permission, as well as other incidents, including Chinese researcher He Jiankui’s explosive revelation in 2018 that he had created the first babies with edited genomes. The regulations do not facilitate data sharing for research, and critics say they are casting a chill over international collaborations.
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