The point in history when our African ancestors looked towards the horizon to begin their journey and search for new land is veiled in mystery. Our knowledge of these events are muddled with different, sometimes contrasting, evidence. Fresh geological findings, however, mean we might be one step closer to understanding the real path and date of the first big trek.
What does a cream crown have in common with the Great Dying, also known as the Permian-Triassic Extinction Event? It might surprise you to know that there is any commonality between them at all. However, a very crucial one is the focus of a paper recently published in Geology: vanilla.
How do you know how old a rock is?