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Archaeology or archeology[a] is the study of human activity through the recovery and analysis of material culture. The archaeological record consists of artifacts, architecture, biofacts or ecofacts, sites, and cultural landscapes.

Archaeology has various goals, which range from understanding culture history to reconstructing past lifeways to documenting and explaining changes in human societies through time.

The discipline involves surveying, excavation, and eventually analysis of data collected, to learn more about the past. In broad scope, archaeology relies on cross-disciplinary research. Read more...

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Ancient Underwater Megastructure Not Created Naturally, Scientists Say (futurism.com)

submitted 10 months ago by [email protected] to c/[email protected]

2 comments fedilink hide all child comments

Scientists have found a giant wall underneath the Baltic Sea — and they're pretty sure humans made it.

In a new paper published in the Proceedings of the National Academy of Sciences, the German research team who discovered the megastructure, which they've called the Blinkerwall, say they believe it was constructed for hunting on land.

As the paper penned by geoscience researchers led by Kiel University notes, some parts of the Baltic Sea basin only submerged in the mid-Holocene era, dating back between 5,000 and 7,000 years.

With sediment dating estimates putting the Blinkerwall's age at between 10,000 and 11,000 years ago during the Stone Age, scientists say the uniformity of this lengthy structure — which runs for 971 meters, or roughly 60 percent of a mile — makes it seem more likely to have been made by humans than by the movements of glaciers or tsunamis. If they're right, it could be the "oldest man-made megastructure in Europe," the paper declares.

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[–] [email protected] 0 points 10 months ago

Since the auto-tldr doesn't mention it, in this case "megastructure" is a wall. Likely built on land, then submerged with time.

By the way, there's evidence of similar kinds of walls used for hunting by North American natives.