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  1. Respiratory Anatomy, 19th Century Artwork
  2. E. coli bacteria, SEM
  3. Nerve cell, artwork
  4. Tyrannosaurus rex dinosaur skull
  5. Conceptual image of mitosis
  6. Conceptual image of neuron
  7. Muscles of the abdominal wall - anterior view
  8. Stacked Agate II
  9. Jurassic life, artwork
  10. Lung tissue, TEM
  11. Jurassic dinosaurs
  12. 1951 space shuttle design
  13. Body musculature
  14. Pipette Dripping Liquid Into Test Tubes
  15. Leonid meteor shower of 1833, artwork
  16. Sunflower - Botanical Illustration
  17. Museum of Science and Industry Vehicles - Chicago, IL: Retro Travel Poster
  18. The Saturday Evening Post, Do As Your Doctor Tells You
  19. Wire Your Home Window Display
  20. Sir Isaac Newton
  21. Semiconservative DNA Replication
  22. Caduceus, artwork
  23. External auditory canal of human ear (with labels)
  24. ECGs of a normal heart rate, artwork
  25. Brain, artwork
  26. Bracken rhizome, light micrograph
  27. Apothecary
  28. Artwork showing Chicxulub impact crater, Yucatan
  29. Green Blue Optic fiber
  30. Armillary sphere
  31. Van Gogh from Space - USGS Earth as Art
  32. Cardiac muscle, TEM
  33. Plant cell
  34. Stethoscope
  35. Computer hard disk assembly
  36. Medical illustration detailing thoracic outlet syndrome
  37. Antique pharmacy bottles
  38. Embryo development 24-36 hours after fertilization
  39. Southern celestial map
  40. Wave energy
  41. Bees
  42. Depiction of different phases of the Moon by Galileo Galilei
  43. Wilson Dam, Flood Gates
  44. DNA molecule, artwork
  45. Femur - anterior view. skeletal system
  46. Lung cells, fluorescent micrograph
  47. Amethyst crystals
  48. Vintage Parchment Windmill 1906 Patent Poster