wikipedia articles i found

• anatoli bugorski +
• antikythera mechanism + ☆
• buddhabrot +
• castel sant'angelo + ☆
• cucuteni-trypillia culture + ☆
• diglossia + ☆
• dyson sphere +
• hanging gardens of babylon + ☆
• kardashev scale + ☆
• linguistic relativity / sapir-whorf hypothesis + ☆
• message artifacts +
• nabta playa +
• out-of-place artifact + ☆
• presumption of death +
• spacecraft cemetery + ☆
• sun dog + ☆
• vanitas + ☆