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Across
  1. 4. World connection
  2. 5. Geometry father
  3. 7. Care building
  4. 9. Math genius
  5. 10. Eureka man
  6. 12. Machine based production
  7. 16. Queen singer
  8. 18. Rap legend
  9. 20. Growth of cities
  10. 23. Applied science
  11. 24. Disease spread
  12. 25. Death rate
Down
  1. 1. Triangle man
  2. 2. Healing science
  3. 3. Disease prevention
  4. 6. New creation
  5. 8. Knowledge system
  6. 11. Finding something new
  7. 13. Isolation to stop disease
  8. 14. Math prince
  9. 15. Grunge icon
  10. 17. Global disease spread
  11. 19. Medical operator
  12. 21. Notorious
  13. 22. Ziggy Stardust