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Ideas, discoveries, mysteries and questions from across our world — explored with curiosity, context and an open mind.
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The Nazca Lines: A Mystery Written Across a Desert
The Nazca Lines are enormous geoglyphs created in Peru centuries ago. Archaeology has identified their cultural context, but their precise meanings and uses remain subjects of research.
September 28, 2026 · 9 MIN READREAD STORY ↗
02Herculaneum: The Roman Town Preserved Differently by Vesuvius
Herculaneum was buried during the AD 79 eruption of Vesuvius. Pyroclastic material preserved upper floors, wooden objects and everyday details that make…
Sep 28, 2026 · 8 MIN
03Skara Brae: The Stone Village That Survived the Sea
Skara Brae is a remarkably preserved Neolithic settlement in Orkney. Its stone houses and furniture offer an unusually intimate view of prehistoric…
Sep 28, 2026 · 8 MIN
04Hattusha: The Hittite Capital Hidden in the Anatolian Landscape
Hattusha was the capital of the Hittite Empire. Its temples, gates, fortifications and rock sanctuary preserve the urban world of a powerful…
Sep 28, 2026 · 8 MIN
05Ani: The Medieval City That the Silk Road Left Behind
Ani was a thriving medieval city and capital of the Bagratid Armenian kingdom. Its ruins preserve evidence of Armenian, Byzantine, Seljuk and…
Sep 28, 2026 · 11 MIN
06Cahokia: The Forgotten North American City That Once Held Thousands
Cahokia was the largest pre-Columbian settlement north of Mexico. Its enormous earthworks reveal a sophisticated Mississippian society that flourished centuries before European…
Sep 28, 2026 · 8 MIN
07Great Zimbabwe: The Stone City That Was Never a Lost European Mystery
Great Zimbabwe was a major medieval African trading centre built by Shona communities. Its ruins reveal a complex society, long-distance trade and…
Sep 28, 2026 · 8 MIN
08Could We Detect a Civilization Without Receiving a Message?
Suppose an alien civilization exists somewhere in the Milky Way. Now suppose it never sends Earth a message. Would that make the…
Sep 28, 2026 · 8 MIN
09What Is the Dark Side of the Moon Really Like?
There is a phrase that has confused generations of Moon-watchers: the “dark side of the Moon.” It sounds as if one half…
Sep 28, 2026 · 10 MIN
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