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pesticides
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- 1Report finds hormone-disrupting herbicide in quarter of US rivers●Hormone-disrupting herbicide contaminating 25% of continental US rivers, report finds
A new report finds that a hormone-disrupting herbicide contaminates roughly 25% of rivers across the continental United States, raising concerns about water quality and potential health risks to humans and wildlife. The findings, reported by The Guardian, are prompting discussion about agricultural runoff, pesticide regulation, and the safety of drinking water sources drawn from affected waterways.
- 2Scientists Reverse-Engineer Insect Smell Receptors to Find Moth Pheromones●Scientists Reverse-Engineer Insect Smell Receptors to Identify Moth Sex Pheromones
Researchers have reverse-engineered insect smell receptors to identify the sex pheromones of moths, according to a report by Bioengineer.org. By decoding how these olfactory receptors detect chemical signals, scientists can pinpoint the exact compounds moths use to attract mates. The work could lead to new pest-control methods that disrupt moth mating without pesticides, and highlights how receptor engineering is advancing the study of chemical communication in insects.
- 3485 chemicals in US pesticides linked to breast cancer●Research finds 485 chemicals in US pesticide products linked to breast cancer
New research has identified 485 chemicals used in pesticide products in the United States that are linked to breast cancer. The findings raise questions about regulatory oversight of agricultural chemicals and women's exposure to carcinogens through food and the environment. Commenters are debating the scale of the risk and how regulators should respond.