Rewriting history: The 3.8-billion-year-old clue found in a Quebec rock |
Ancient rocks in Quebec, dating back 3.77 billion years, may hold the oldest evidence of life. Microscopic tube-like structures and filaments, resembling modern microbes, were found alongside chemical signatures of biological activity. Image credits: James St. John, via Wikimedia Commons In the wilds of northern Quebec, near the shore of Hudson Bay, there is a…