The BBC's Aaron Heslehurst explains how headphones became a million dollar idea.
Shepherd and Wedderburn says revenues and profits rose last year, as it marks its 250th anniversary.
Discarded phones and televisions are a rich source of metals, and e-waste miners see money-making potential.
A report finds the number of jobs in the sector grew by 6.6% in Scotland last year, ahead of the UK's capital.
Scottish Natural Heritage said it would "dust off" a document prepared almost 20 years ago for such an event.
The 30th anniversary of the 1988 North Sea explosion is marked with a service at the Aberdeen memorial.
Sadia was mesmerised by computer graphics and now designs games, an unlikely career in Pakistan.
The Syrian president's forces believe the country's seven-year civil war is close to ending.
Aluminium sulphate was tipped into the wrong tank at a treatment works in Cornwall in July 1988.