Modern science tackles a biblical secret -- the mystery ingredient in holy incense

The four ingredients for holy incense are listed in the Old Testament, but there was much debate over the origin of one of them -- onycha. Scientists think they've now confirmed the source.
Read more: https://theconversation.com/modern-science-tackles-a-biblical-secret-the-mystery-ingredient-in-holy-incense-88876?source=Snapzu