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  1. Anatomy of the cochlear duct in the human ear
  2. Dragonflies, 17th century artwork
  3. Virus, artwork
  4. Molecule Glucose
  5. Artwork of the pancreas showing insulin production
  6. Albert Einstein
  7. Soybeans, early growth, Minnesota
  8. Male skeleton, artwork
  9. Rib cage of human skeleton
  10. Practical Television, March 1959
  11. Albert Honey
  12. Earth Interior - Crust, Mantle, and Core
  13. Surgical instruments for use on bone
  14. Anterior view and sagittal view of male urinary bladder
  15. The four humours, diagram
  16. Gregor Mendel, caricature
  17. Valley And Mountain Breezes
  18. Helicobacter pylori bacteria
  19. Faraday's electrolysis experiment, 1833
  20. Agate Sample
  21. Variety Of Flasks
  22. Allosaurus dinosaur skull
  23. Invertebrates
  24. Vertebrates
  25. Rocket, Be Greater Than Average
  26. Beer, the Hop Plant, 1836
  27. Venus Under False Color
  28. Conceptual image of DNA
  29. Layers Of The Ionosphere
  30. Pseudomonas aeruginosa bacteria, SEM
  31. The cervical vertebrae
  32. Cervical spinal nerves, 1844 artwork
  33. Tongue surface, SEM
  34. Veterinarians examining the Greyhound in the office
  35. Red blood cells, SEM
  36. Oregon - USGS State Mosaic
  37. 19th Century Electric Telegraph Equipment
  38. Escherichia coli bacteria, SEM
  39. Skin cancer cell, SEM
  40. Propeller cavitation
  41. Geography of the Heavens VIII
  42. Morse code apparatus, historical artwork
  43. Cells
  44. Brachiosaurus Herd On The Move
  45. Male skeleton, computer artwork.
  46. Pills being poured into a bottle after counting
  47. DNA analysis
  48. Human upper body showing bones, lungs and circulatory system