19Jul Badminton Racquet Into Frontal Bone

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 [...]