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  1. Earth's magnetosphere, artwork
  2. DNA helix
  3. Bronchial tree and lungs, artwork
  4. Animal Life Spans
  5. Cannabinoid receptor binding, artwork
  6. The Rainforest
  7. Portrait of Carl Friedrich Gauss, 1840
  8. Early map of the Moon, 1772
  9. Artwork of cervical vertebra from human spine
  10. Artwork of the pterosaur, Pteranodon sp
  11. Replica Of Eli Whitney's Cotton Gin
  12. Tuberculosis bacteria, artwork
  13. Bony framework of head and neck. skeletal system
  14. Vintage Parchment Incandescent Lamp Socket Patent Poster
  15. 2p electron orbitals
  16. Spatial dimensions, conceptual artwork
  17. Human skull
  18. Gold nugget held in tweezers
  19. Anatomy of human vertebra
  20. Patent--Light Bulb
  21. Mars topographical map, satellite image
  22. The Optimist - USGS Earth as Art
  23. Practical Mechanics, November 1955
  24. Marie Curie
  25. Normal knee, X-ray
  26. Refraction
  27. DNA assembly, artwork
  28. Ernst Haeckel Map Lemuria Human Origins
  29. Stamp out Syphilis and Gonorrhea - WPA Poster
  30. Newspapr Rock Petroglyphs, Utah
  31. Newton's Cradle in Motion
  32. DEC PDP-1 computer
  33. Canada, Manitoba, Churchill Northern lights
  34. Muscles of the side and back
  35. Sound byte, artwork
  36. Colon blood vessels, light micrograph
  37. Moon Chart I
  38. Brain anatomy, artwork
  39. Early Stone Implements
  40. Colorized image of HIV-infected H9 T-cell
  41. Conceptual image of DNA
  42. The International Space Station
  43. 'Rheumatoid arthritis of the hands, X-ray
  44. Marie Curie, Polish-French physicist
  45. Molecule Water
  46. Von Karman Vortices - USGS Earth as Art
  47. Cell
  48. Beetle compound eye, light micrograph