Nancy Guthrie, the 84-year-old mother of Today Show host Savannah Guthrie, was taken from her home more than three months ago, and since then, there have been very few clues as to where she may be or whether she is still alive. So, when a YouTuber found a bone near her home, the world was hooked, sharing the story on social media and amongst friends. Many thought the bone could be Guthrie’s. But it’s not. In fact, it’s likely around 750 years o…