Flecks of true amber detected in Xinjiang date to the Middle Devonian, pushing back the origin of resin secretion by at least 65 million years

Flecks of true amber detected in Xinjiang date to the Middle Devonian, pushing back the origin of resin secretion by at least 65 million years

We tend to think of tree resin as an ancient, fragrant defense against munching insects – one that fends off pests and scabs over the wounds left by their voracious mandibles.