sentences:  Scientists tested biological pathogens, including "Bacillus globigii", which were thought to be harmless, at public places such as subways.Light bulbs containing "Bacillus globigii" were dropped in New York City's subway system; the result was strong enough to affect people prone to illness (also known as Subway Experiment).Based on the circulation measurements, thousands of people would have been killed if a dangerous microbe was released in the same manner.