Listeria monocytogenes is a Gram-positive foodborne pathogen that is ubiquitously found in diverse environments such as soil, water, various food products, animals, and humans [1]. Infection by Listeria monocytogenes occurs almost exclusively after ingestion of contaminated food.
Henry Ruschmann accidentally invented glitter when he was trying to figure out a way to put discarded plastic to use. 01:55.
1 In 1858, G.D. Dows invented and operated the first marble soda fountain, which he patented in 1863. 2  In 1883, James Tufts patented a soda fountain, which he called the Arctic. 3  Tufts went on to become a huge soda fountain manufacturer.