itwbennett writes: Researchers at the University of California, Riverside have found that the parts of two common types of 3D printers are toxic to zebrafish embryos. The researchers made this discovery accidentally when a graduate student whose work involves developing tools for studying zebrafish embryos "noticed that zebrafish embryos die after exposure to parts from the 3-D printer." According to the report, "While the embryos exposed to parts from the plastic-melting printer had slightly decreased average survival rates compared to control embryos, the embryos exposed to parts from the liquid-resin printer had significantly decreased survival rates, with more than half of the embryos dead by day three and all dead by day seven. And of the few zebrafish embryos that hatched after exposure to parts from the liquid-resin printer, 100 percent of the hatchlings had developmental abnormalities."
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