- Here'sanothersimplebuteffectivestresszapper:deepbreathing!BiologistssayimplausiblethatOnionscouldattractfluvirusasabugzappertrapsflies.They'vealsomodifiedaUVfly-zappertoretrievepowerfromtheflycorpsesitcreates.Inademonstrationforreporters(includingD...
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