Science

Healing Arts programme comes to New York with a two-month schedule of events

Artist commissions, expert discussions and film premieres will take place in the city, starting and ending with a pair of symposia at the Metropolitan Museum of Art

Machu Picchu may be decades older than previously thought

Radiocarbon dating of human bones and teeth in Peruvian ruins indicate that the Inca first lived at the citadel around 1420, not after 1440