Overview: Throughout history, humankind has endured many cycles of extremes and calamities. Ancient stone records not only tell of these trials, but they advance advice, to future generations, for surviving such trying times. We don’t have to take what the ancients are trying to tell us on faith. Science gives us the proof we need about the necessity of developing mutually beneficial relationships. As Gregg Braden examines Prophecy Rock from the Hopi people, we discover that their advice for mutual aid is confirmed by the science which shows us that cooperation is essential for ensuring humanity’s continuation.