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  1. Arthritis of the knee, X-ray
  2. 1951 space shuttle design
  3. Grey Agate B
  4. E. coli bacteria, SEM
  5. Gas bubbles in oil
  6. Human lungs, artwork
  7. Sunflower - Botanical Illustration
  8. Monarch Butterfly Metamorphosis (Danaus Plexippus)
  9. Conceptual image of neuron
  10. Tyrannosaurus rex dinosaur skull
  11. Molecule Vanilin
  12. Muscles of the abdominal wall - anterior view
  13. Stacked Agate II
  14. Optical pattern
  15. Jurassic life, artwork
  16. Lung tissue, TEM
  17. Pipette Dripping Liquid Into Test Tubes
  18. Oil rig in the savannah of Wyoming
  19. Molar tooth
  20. Teach on Mars and its Moons
  21. Caduceus, artwork
  22. No Man's Land - USGS Earth as Art
  23. Museum of Science and Industry Vehicles - Chicago, IL: Retro Travel Poster
  24. Semiconservative DNA Replication
  25. The Saturday Evening Post, Do As Your Doctor Tells You
  26. Van Gogh from Space - USGS Earth as Art
  27. Sir Isaac Newton
  28. Computer hard disk assembly
  29. Cells from a urine infection, SEM
  30. Bracken rhizome, light micrograph
  31. Embryo development 24-36 hours after fertilization
  32. Apothecary
  33. External auditory canal of human ear (with labels)
  34. Jurassic dinosaurs
  35. Armillary sphere
  36. Artwork showing Chicxulub impact crater, Yucatan
  37. ECGs of a normal heart rate, artwork
  38. Leonid meteor shower of 1833, artwork
  39. Body musculature
  40. Green Blue Optic fiber
  41. Cardiac muscle, TEM
  42. Stethoscope
  43. Medical illustration detailing thoracic outlet syndrome
  44. Antique pharmacy bottles
  45. Electromagnetic spectrum
  46. Southern celestial map
  47. Bees
  48. Wave energy