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Subject
- Human-alien encounters7
- Androids3
- Human evolution3
- Teenage boys3
- Anthropology2
- Fossil hominids2
- Interplanetary voyages2
- Life on other planets2
- Music2
- Adachi, Toka1
- Affirmative action programs1
- Aging1
- Antiquities, Prehistoric1
- Astronauts1
- Bipedalism1
- Bluegrass music1
- Bones1
- Cancer1
- Child development1
- Civilization, Ancient1