John Broadus Watson (January 9, 1878 â September 25, 1958) was an American psychologist who established the psychological school of behaviorism. Watson promoted a change in psychology through his address Psychology as the Behaviorist Views it, which was given at Columbia University in 1913.Through his behaviorist approach, Watson conducted research on animal behavior, child rearing, and advertising.n addition, he conducted the controversial  Little Albert  experiment. He was also editor of Psychological Review from 1910 to 1915. A Review of General Psychology survey, published in 2002, ranked Watson as the 17th most cited psychologist of the 20th century.
Aflatoxin Introduction. Aflatoxin is a potent human carcinogen. It is a naturally occurring toxic metabolite produced by certain fungi (Aspergillus flavis), a mold found on food products such as corn and peanuts, peanut butter.It acts as a potent liver carcinogen in rodents (and, presumably, humans).t is a naturally occurring toxic metabolite produced by certain fungi (Aspergillus flavis), a mold found on food products such as corn and peanuts, peanut butter. It acts as a potent liver carcinogen in rodents (and, presumably, humans).
Some people believe, for example, that all types of mold are extremely dangerous, or that only so-called âtoxic black moldâ poses a real risk, when in reality, neither of these common perceptions are true.