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Macho Moms: Perchlorate pollutant masculinizes fish
Perchlorate, a compound best known as a component of rocket fuel, can disrupt sexual development in fish.
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To argue that the concentrations reported in this study are environmentally relevant is misleading. Those concentrations are usually in groundwater, not surface waters. I’ve been involved in the environmental field for almost 20 years and have yet to hear of any fish being caught in groundwater. John HarrisSacramento, Calif. Study coauthor Frank von Hippel notes […]
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Bad Vibrations? Ultrasound disturbs mouse brains
Prolonged and frequent use of fetal ultrasound might lead to abnormal fetal brain development, a study in mice suggests.
