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The following year, trains on the newly opened Wuhan–Guangzhou high-speed railway set a world record for average speed over an entire trip, at 312.5 km/h (194.2 mph) over 968 kilometres (601 miles). A collision of high-speed trains on 23 July 2011 in Zhejiang province killed 40 and injured 195, raising concerns about operational safety. A ...
Psychology is the scientific study of mind and behavior. [1] [2] Its subject matter includes the behavior of humans and nonhumans, both conscious and unconscious phenomena, and mental processes such as thoughts, feelings, and motives.