The company routinely shuts down products that have become stale. Last year, it shut down Yahoo Directory, which was the cornerstone of the company when it first was founded in 1995. Over the past two and a half years, the company has discontinued more than 60 products.
The temperature range in which most bacteria grow is between 40 degrees F (5 degrees C) and 140 degrees F (60 degrees C). Raw and cooked foods should not be kept in this danger zone any longer than absolutely necessary.
These bacteria are useful in helping us digest our food. Bacterial growth is governed by factors such as temperature, pH, salt concentration, nutrient and oxygen. The optimum temperature for most bacteria to survive and grow ranges from 25 degrees Celsius to 40 degrees Celsius, and the optimum pH ranges from 6 to 8.