A brief history of rebellious ‘spares’
The Ottoman sultans regularly had their brothers strangled within hours of acceding to the throne
By David Abulafia
The many uses of frankincense and myrrh
The label of an upmarket toothpaste will often reveal that it contains myrrh
By David Abulafia
We should build more memorials to controversial people
Monuments are not all about glory or approval
By David Abulafia
