For his first non-American subject, documentary filmmaker Ken Burns chose Renaissance polymath Leonardo da Vinci.

Every degree program has its own 'black beast': the exam that scares everyone or almost everyone. Although each student may ...

The Book of Kells is a large illuminated manuscript — a handwritten and heavily illustrated document ornamented with paints made from gold and silver. It was made at the beginning of the ninth century ...

Emerald’s lush green has soothed souls and excited imaginations since antiquity. Its name comes from the ancient Greek word for green, “smaragdus.” Rome’s Pliny the Elder described emerald in his ...