Microorganisms, also called 'fungi', live around us and we come into contact with it every day. Microorganisms are microscopically small and in most instances we do not even know that they are there.
The 'microbes' inside the milk need oxygen to survive and they use up the oxygen over a period of time. In this science experiment we will use a 'Methylene blue' solution to test how much oxygen exist in various...
Dogs give you joy. They give you loyalty, and often they give you sloppy kisses. Of course, there is that old saying, "a dog's mouth is cleaner than a human's mouth." Is that true?
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