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  1. Features of fingerprints
  2. Kentucky - USGS State Mosaic
  3. Cannabis plant, SEM
  4. Eye anatomy,artwork
  5. Metal hydroxides
  6. Heart with coronary vessels
  7. Teeth
  8. Karman Vortices - USGS Earth as Art
  9. Dandelion plant stem, light micrograph
  10. DNA
  11. Vitruvian Skeleton
  12. If I Were A Cloud
  13. Interference pattern of oil on water
  14. Lena Delta - USGS Earth as Art
  15. Nervous system, artwork
  16. Motor neurone nerve cell and synapses
  17. Historical celestial system
  18. The bones of the pelvis
  19. Nerve cell, artwork
  20. Healing the world, conceptual artwork
  21. Earth
  22. Akpatok Island - USGS Earth as Art
  23. Eye anatomy, 1844 artwork
  24. Pictorial plaque on Pioneer 10 and 11
  25. Molecular model
  26. Mathian steam boiler
  27. Microscopic view of the common cold virus
  28. View of assorted dental equipment
  29. Aurora observations, 1839
  30. Microscopic view of bacteria
  31. Arthritis of the neck, X-ray
  32. Wingate Pass Agate, Ca
  33. 1832 Darwin's ship HMS Beagle plan
  34. Virus particles, conceptual artwork
  35. Watercolor Agate I
  36. Human brain anatomy, artwork
  37. Early American steam locomotive
  38. Normal knee, X-ray
  39. Cross Section Of Plate Boundaries Formed By Ridges, Faults, And Subduction
  40. Andes - USGS Earth as Art
  41. Cold War medical training, 1958
  42. Pond life
  43. Johnniac computer
  44. Constellation - Orion
  45. ATP Synthase Enzyme Complex, Illustration
  46. Fountain Pen
  47. Vintage Parchment Ophthalmoscope Patent Poster
  48. Solar system map from 1853