In 1909, an explorer found strange markings in the rock and unearthed the Burgess Shale, a 500-million-year-old secret |
In 1909, Charles Doolittle Walcott (first from left) discovered the Burgess Shale formation in British Columbia, revealing exceptionally preserved soft-bodied ancient life. Image Credits: via Wikimedia Commons Imagine the last day of your mountain trip, the sun setting, the packs packed, your thoughts turning to your journey home. It was at such a time that…