How much of human history is on the bottom of the ocean? - Peter Campbell
View full lesson: http://ed.ted.com/lessons/how-much-of-human-history-is-on-the-bottom-of-the-ocean-peter-campbell Sunken relics, ghostly shipwrecks, and lost ...
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Sunken relics, ghostly shipwrecks, and lost cities. These aren't just wonders found in fictional adventures. Beneath the ocean's surface, there are ruins where people once roamed and shipwrecks loaded with artifacts from another time. This is the domain of underwater archaeology, where researchers discover and study human artifacts that slipped into the sea. They're not on a treasure hunt. Underwater archaeology reveals important information about ancient climates and coastlines, it tells us how humans sailed the seas, and what life was like millennia ago. So what exactly can we find? At shallow depths mingled in with modern-day items, we've discovered all sorts of ancient artifacts. This zone contains evidence of how our ancestors fished, how they repaired th...
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Sunken relics, ghostly shipwrecks, and lost cities. These aren't just wonders found in fictional adventures. Beneath the ocean's surface, there are ruins where people once roamed and shipwrecks loaded with artifacts from another time. This is the domain of underwater archaeology, where researchers discover and study human artifacts that slipped into the sea. They're not on a treasure hunt. Underwater archaeology reveals important information about ancient climates and coastlines, it tells us how humans sailed the seas, and what life was like millennia ago. So what exactly can we find? At shallow depths mingled in with modern-day items, we've discovered all sorts of ancient artifacts. This zone contains evidence of how our ancestors fished, how they repaired th...
