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In 1991, the American astronomer and superstar science popularizer Carl Sagan was nominated for membership in the National Academy of Sciences. Despite the efforts of some strong backers—including the Nobel laureate Stanley Miller, who advocated passionately for Sagan's admission to the Academy—
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Stored only when both papers are in the corpus — 64 citations exist upstream.
Papers that cite the same references — the relational fallback while embeddings are still backfilling.
Imported from OpenAlex (CC0) — nothing here is generated.