From studying the stars to building bigger, better buildings, the ancient world was full of scientific and technological advancement at every level. In this issue, we take a look at just a few of these developments.

Theme:  Science and engineering in antiquity

• Lindsay Powell, 'Science and technology in antiquity - Chipped stones to catapults'.
• Daniel Kershaw, 'Symbols of power and prestige - Rome's aqueducts'.
• Dan Diffendale, 'Early buildings in the Eternal city - The tuffs of Rome'.
• Ulla Koch, 'The legacy of Babylonian astronomy - Gazing at the stars'.

Features:

• Sidney Dean, 'The first Greek on the Atlantic coast - Kolaios'.
• Stephanie M. Matthews, 'Imprisonment in ancient Rome - All locked up'.
• Gareth Williams, 'Getting even in ancient times - Insults and innuendo'.
• Manon Henzen, 'Fish fish cakes with cumin sauce - Food for the eyes'.
• Laura Tabone, 'The modern-day attraction of an unknown era - Malta's Neolithic monuments'.
• Rebecca Batley, 'Britain's iron queen - Cartimandua'.
• Jona Lendering, 'Living in Late Roman Numidia - The land of Augustine'.