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  1. Foot bones
  2. Lung anatomy, artwork
  3. Synapses, artwork
  4. Johnniac computer
  5. Moss Agate
  6. California, Palm Springs. Windmill Farm along North Indian Canyon Drive
  7. Solar System II
  8. Mitosis
  9. Heart with coronary vessels
  10. Cannabis plant, SEM
  11. Human nervous system, artwork
  12. Vitruvian Skeleton
  13. Teeth
  14. Vintage Parchment Ophthalmoscope Patent
  15. Mathian steam boiler
  16. Interference pattern of oil on water
  17. X-ray view of human foot
  18. Colorized image of HIV-infected H9 T-cell
  19. View of assorted dental equipment
  20. Kentucky - USGS State Mosaic
  21. Microscopic view of DNA
  22. Lena Delta - USGS Earth as Art
  23. Faded Blueprint Stethoscope Patent Poster
  24. If I Were A Cloud
  25. Eye anatomy,artwork
  26. Fountain Pen
  27. Wingate Pass Agate, Ca
  28. Features of fingerprints
  29. Historical celestial system
  30. A rabbit witnesses a herd of mammoths in a snowy forest
  31. Dandelion plant stem, light micrograph
  32. Nervous system, artwork
  33. Bogda Mountains - USGS Earth as Art
  34. Akpatok Island - USGS Earth as Art
  35. The bones of the pelvis
  36. Velociraptor
  37. Pictorial plaque on Pioneer 10 and 11
  38. Eye anatomy, 1844 artwork
  39. Buttercup stem, light micrograph
  40. Pond life
  41. Molecular model
  42. Solar system map from 1853
  43. Stem cell, light micrograph
  44. Formation of the Earth, artwork
  45. 1832 Darwin's ship HMS Beagle plan
  46. Cross Section Of Plate Boundaries Formed By Ridges, Faults, And Subduction
  47. Human brain anatomy, artwork
  48. Watercolor Agate I