date:Oct 30, 2019
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Bulgarian medical student Stamen Grigorov brought a traditional clay pot called a rukatka filled with homemade yogurt to his lab in Geneva where he was studying, reports the BBC. He identified the bacteria Lactobacillus bulgaricus and Streptococcus thermophilus which caused the milk to ferment and become yogurt. The first was named in honor of his country. In fact, his hometown of Studen Izvor is home to the world's only yogurt museum.
Why yogurt is healthy
Depending on the type and sp