How your body works
What bone and cartilage actually are, how they work, and why looking after them before anything hurts is the part that pays off.
Bone and cartilage: why one heals and the other does not
Two tissues millimetres apart, and why only one of them mends.
Bone is an organ, not a scaffold
Living tissue that rebuilds itself, stores calcium and makes blood.
How a broken bone mends itself
A cast does not join the bone. It holds the ends still.
Keyhole joint surgery: what the camera can and cannot do
A camera the width of a pencil — and what it cannot do.