Yesterday, the U.S. a shocking news: 28 year old Chinese doctor Li Huan, at Princeton University, suddenly left in the rented house. This young man who just got his doctorate, followed by a team of mentors who won the international prize, was in the rise of his academic career.

According to the timetable notified by the school, Li Haoran studied in the Department of Electronic Engineering at Tsinghua University and came to the United States six years ago to pursue a doctoral degree. I just passed my thesis defense in June this year and stayed in Princeton as a postdoctoral doctor. The open source database he participated in the research and development has promoted the research process in the entire field of power electronics. As early as September, his social account was still sharing the progress of the experiment, and no one expected this to happen suddenly.

The school email deliberately bypassed the most critical information-the cause of death. It didn't mention whether it was a sudden illness, accident or other circumstances. Instead, a psychological counseling hotline was attached. Some alumni revealed that it is common to do data all night in the laboratory, and it is also normal to keep instruments to record parameters during holidays. In the power electronics laboratory, where scientific research pressure is the greatest, people walking home at two or three o'clock in the morning can fill the whole street.

The reason why this tragedy shook academic circles was that eight similar tragedies have occurred in Princeton in four years. Four of them were clearly suicides. An Indian doctoral student who died suddenly in the same laboratory the year before last fell on the eve of the annual report; on a snowy morning last year, a student was already stiff when he was found in the library.

These young researchers are under double pressure: to break the boundaries of human cognition, but also to deal with the challenges of living in exotic countries and other countries. When the team won the prize last year, Li Hui laughed at the screen to save lunch time and change the paper.

It is alarming that similar tragedies have frequently occurred in domestic and foreign universities in recent years. Last year, a doctoral student died suddenly in the dormitory in a key laboratory in the country, and an unconserved simulation model blinked on the computer screen. When the entire educational system considered "taking the name for the results" as normal, every morning the laboratory window with the lighting of the light, was brewing in a crisis of invisibility.

From Qingdao to Princeton, Li¡¯s story should have been an example of encouragement.But when such smart minds disappear, should we stop and think: can we give these young people more oxygen bottles on the way to the academic peak?

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