query physical appearance words content length 1535 group environmental scientists pondering question anyone done research emotional responses physical appearance words groups letters example toxic ioxin oxi combination people fear ioxin furan another toxic chemical obviously reaction created media something else involved certain combinations letters e g oxi elicit emotional response anyone done research know anyone involved psycholinguistics semiotics might familiar topic summarize list thanks assistance joyce lundstrom epidemiologist eti 600 stewart st 700 seattle wa 98101 etilib halcyon com