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).
First things First â All Black Molds are Not Toxic. There are many thousands of different species of this fungi worldwide and at least a thousand different species living and found in the United States, alone. However, a very large percentage of these molds are harmless to humans but also look so very much alike.olds That Make You Sick. When speaking to black mold, there is no single one group or species of mold that defines the phrase âblack or toxic moldâ. Instead, several classes of molds are more commonly referred to as toxic molds and here are a few of them: