Learn about the IB The IB's mission Since it was founded in 1968, the IBâs mission has been built on a cornerstone of creating a better world through education.
The phrase having a chip on one's shoulder refers to holding a grudge or grievance that readily provokes disputation. chip on the shoulder comes from the ancient right of shipwrights within the Royal Navy Dockyards to take home a daily allowance of offcuts of timber, even if good wood was cut up for this purpose.
A shoulder replacement implant consists of three parts: 1  A new socket (glenoid) that is implanted within the shoulder blade (scapula) 2  A new ball to replace the head of the top of the arm bone (humerus) 3  A stem that secures the ball within the arm bone.