With the exception of certain sour milks such as kefir and koumiss, the presence of lactose-fermenting yeasts in dairy products is most undesirable because it results in gassy fermentation. Since the early days of microbiology, many lactosefermenting yeasts, both sporogenous and asporogenous, have been isolated. In most of the cases, however, the descriptions of these yeasts, viewed by present ...

We conduct an empirical analysis of the effect on the auction price of a Canadian painting of the age of the painter at the time of creation of the painting. We consider several hundred artists, active over the entire history of Canadian art, who are pooled in the estimation of a hedonic regression in which a polynomial function in age enters as a regressor along with several other control vari...

BACKGROUND Although the mortality burden of the devastating 1918 influenza pandemic has been carefully quantified in the United States, Japan, and European countries, little is known about the pandemic experience elsewhere. Here, we compiled extensive archival records to quantify the pandemic mortality patterns in 2 Mexican cities, Mexico City and Toluca. METHODS We applied seasonal excess mo...