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  2. Discovery of penicillin - Wikipedia

    en.wikipedia.org/wiki/Discovery_of_penicillin

    After testing against different bacteria, he found that the mould could kill only specific, Gram-positive bacteria. [11] For example, staphylococcus , streptococcus , and diphtheria bacillus ( Corynebacterium diphtheriae ) were easily killed; but there was no effect on typhoid bacterium ( Salmonella typhimurium ) and a bacterium once thought to ...

  3. History of penicillin - Wikipedia

    en.wikipedia.org/wiki/History_of_penicillin

    On testing against different bacteria, he found that the mould could kill only certain Gram-positive bacteria. [27] Staphylococcus , Streptococcus , and diphtheria bacillus ( Corynebacterium diphtheriae ) were easily killed, but there was no effect on typhoid bacterium ( Salmonella typhimurium ) and a bacterium once thought to cause influenza ...

  4. What happens if you eat mold? Food safety experts share which ...

    www.aol.com/news/happens-eat-mold-food-safety...

    Here's why mold grows on food, what happens when you eat it, and tips to keep food mold-free. What is mold? Molds are microscopic fungi, Josephine Wee, Ph.D., an assistant professor of food ...

  5. Mold - Wikipedia

    en.wikipedia.org/wiki/Mold

    Mold spores are drawn to specific environments, making it easier for them to grow. These spores will usually only turn into a full-blown outbreak if certain conditions are met. [32] Various practices can be followed to mitigate mold issues in buildings, the most important of which is to reduce moisture levels that can facilitate mold growth. [27]

  6. Is This Toxic Mold? How To Know If It's In Your House—And Why ...

    www.aol.com/toxic-mold-know-house-why-184500544.html

    Mold allergies are present in a minority of the population that is genetically predisposed to mold, and usually this allergy is not life threatening. Black molds, or so called toxic molds, can ...

  7. Penicillin - Wikipedia

    en.wikipedia.org/wiki/Penicillin

    On 3 September 1928 he observed by chance that fungal contamination of a bacterial culture (Staphylococcus aureus) appeared to kill the bacteria. He confirmed this observation with a new experiment on 28 September 1928.