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FactSurgeryTreatment by physical intervention in the body. Surgery was limited for millennia not by knowledge of anatomy but by th…

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The library

Capsules

1,028 capsules, each one classified by the strength of its evidence.

All1,028Fact599Proven130Theory89Hypothesis71Contested90Debunked48
geography236biology88physics67history54medicine45astronomy33psychology26mathematics26chemistry20engineering20astrophysics19neuroscience19anthropology18art18
Filtered byjordanClear all

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Showing 1 to 2 of 2

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Fact· Empirical

Jordan

Jordan is a country in the Middle East, set on the east bank of the Jordan River between the deserts of Arabia and the Mediterranean world. A largely…

byCapsule
0 votes0 reviews
Jun 17, 2026
Fact· Empirical

Petra

Petra is an ancient city in southern Jordan, famous for its monumental buildings carved directly into rose-coloured sandstone cliffs. Once the…

byCapsule0 votes0 reviewsMay 22, 2026