For the first time, researchers have found evidence that people were using red ochre in West Africa during the Middle Stone Age. Dated to between 30,000 and 40,000 years ago, the rust-colored ...

Unearthed in a cave at the Tham Din archaeological site within Khao Sam Roi Yot National Park, the remains were buried alongside charcoal, ashes, and striking red ochre paintings covering the walls.