Hwang Woo-suk acquires UAE citizenship... "Loses South Korean nationality"

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He was once a true national hero, and although he fell from grace due to certain issues....
I understand he is a very famous figure in the field of animal cloning...
Seeing that he changed his nationality, there must be a reason..
I wonder what it is... T_T
Isn't the brain drain of our country's engineers a truly serious problem...