17
February 12
At first glance, it is not easy to find an obvious connection between uncontacted Indians in the rainforest of north-western Brazil, cheeses such as British Cheddar and French Maroilles, red lipstick and cinema popcorn.
What links them all, however, is a tree with pink flowers and heart-shaped leaves: Annatto is the discovery of Amazonian Indians, and another gift from tribal peoples to all humanity.

