What is at stake for the US cultural sector as the nation chooses its next president? Plus, a tour of 14th-century Sienese masterpieces and a conversation with Goliath about her ongoing video series Mango Blossoms

Reuniting the surviving sections of the city’s altarpiece marvel is just the start of this important, beautifully staged show at New York's Metropolitan Museum of Art

At least ninety percent of €368,000 target to repair vault and ceiling has been met

The Renaissance marble structure, which is still used to baptise newborns, has been returned to its original splendour—thanks to porcupine quills and 3-D printers

Visitors to the Italian city have a rare chance to glimpse the inlaid marble floor, begun in the 14th century

An artist from Siena could have travelled to Africa in the 14th century to create triptych, which is in a remote monastery in northern Ethiopia