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  1. Foot bones
  2. Bees - Vintage Educational Poster
  3. Heart anatomy, 19th Century illustration
  4. Arthritis of the knee, X-ray
  5. Composite image of lunar eclipse, Victoria, Australia
  6. Cardiac muscle and capillary, TEM
  7. Cut agates
  8. The vertebral column
  9. Indigo Agate D
  10. Cell
  11. Front and side views of pelvis in chimpanzee, Australopithecus, and modern human
  12. Hydroxide precipitates
  13. Normal shoulder, X-ray
  14. Portrait of Michael Faraday (1791-1867) 1841-42
  15. Pathways Educational Poster
  16. Specimen of heart with heartworms in jar
  17. Bright Periodic Table - White, Classic Text
  18. Motor neurone nerve cell and synapses
  19. Dental X-ray
  20. Stamp out Syphilis and Gonorrhea - WPA Poster
  21. Molecule Peppermint
  22. Eye anatomy, 1844 artwork
  23. Electric light bulb
  24. Southern celestial map
  25. Diphtheria treatment, artwork
  26. First V-2 rocket launch, artwork
  27. Neptune
  28. Brain blood vessels
  29. Heart anatomy, 18th century
  30. Lactobacillus bacteria, SEM
  31. Ear trumpets
  32. Conversion
  33. Christmas Jasper
  34. Turquoise gemstone
  35. Close-Up Of Fortification Laguna Agate
  36. DNA assembly, artwork
  37. Molecule Honey
  38. Inner ear hair cells, SEM
  39. Cold War medical training, 1958
  40. 1858 Prehistoric marine reptiles
  41. Hampton Institute, 1899
  42. Decoherence in quantum computing
  43. Early Stone Implements
  44. Rib cage and heart, 3D CT scan
  45. Kentucky - USGS State Mosaic
  46. Patent--Aerial Machine
  47. Ear trumpets
  48. Electromagnetic spectrum, artwork