Frontal bone is one of the human strongest bones, but recently teacher Chen was hit by the badminton racquet when he was onlooking badminton training, and the racquet was inserted into his frontal bone for 2 centimeters in-dept.  It is found that the racquet hit the most fragile part of the frontal bone.  After three hours of surgery by Guangzhou Red Cross Hospital neurosurgeon, the racquet was successfully removed.  Chen was now recovered and discharged from hospital.

Source: TianjinDaily