Being an optimisitc group, you seize the opportunity to flaunt your scientific expertise. That night, your team brainstorms observations. Your goal for this activity is to choose a variable and to contstruct a working experiment. Select your variable and remember a control to compare against the variable. The scientific method is vital in solving a problem in a logical procession.
Humans are visual animals and conduct the majority of their observations through visual stimuli.
The people of 14th century lacked formal educational institutions so they were misled and susceptible to superstitions. Concepts were taken for granted and were not methodically tested. The concept of spontaneous generation, in which living organisms arose from dead matter, was finally disproved by Redi in the 17th century. The plague bacillus was finally discovered in 1894 in Hong Kong. A Swiss scientist, Alexandre Yersin, who had worked at the Paris Pasteur Institute, discovered the bacteria in tissues of plague victims.