The Christmas tree has become a symbol of holiday festivities, but concerns over the impact they have on the environment are growing. Shardell Joseph looks into the history of the tree, and compares the lifecycles of modern materials.
Invention of the food can changed the way we lived and ate forever, and preservation helped provide greater food security and underpinned industrial, exploration and military advances. Ceri Jones plots the evolution and future of the can.
From medieval prison tower to observatory and now museum, La Specola has a rich history of redefining itself. Idha Valeur looks into how the building has been adapted for purpose and how it is maintained.