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Canada approves GM yeast that combats cancer compound 
10/6/2006 - Environment Canada has approved the import and manufacture of a genetically modified yeast variety that is designed to reduce the levels of the carcinogen ethyl carbamate, a compound that can naturally occur in fermented foods and beverages, such as wine, beer and bread.

Silicon scarcity cools solar industry 
The shortage of silicon is a big topic among advocates for solar power these days. Silicon is the key raw material used to manufacture the photovoltaic panels that most existing solar systems use to convert sunlight into electricity.