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  1. Osteoclasts in bone lacunae, SEM
  2. Comparison of bones of forearm and lower leg - anterior view. skeletal system
  3. Anterior view of human pelvis, with labels
  4. Leukemia cells, TEM
  5. Pneumonia Strikes like a Man Eating Shark - WPA Poster
  6. Caduceus and graph
  7. Human skull with teeth, computer artwork
  8. DNA
  9. Illustration of a whiplash injury to the neck
  10. 19th Century internal combustion engine
  11. The analysis of sound frequencies by the basilar membrane.
  12. The human body with superimposed colored plates by Julien Bougle
  13. DNA nucleotides, artwork
  14. Conceptual image of DNA
  15. First Atom Bomb Test Site
  16. Universal indicator scale
  17. Lavoisier equipment, 1787
  18. First V-2 rocket launch, artwork
  19. Scanning electron micrograph of HIV particles infecting a human T cell
  20. Mixing Potions
  21. Veins and nerves of the neck. cardiovascular system, nervous system
  22. Malachite
  23. Desert to Forest - USGS Earth as Art
  24. E=mc2 in red
  25. Healthy brain, MRI scans
  26. Portrait of Isaac Newton (1642-1727), c.1726
  27. A Pair Of Carnotaurus Dinosaurs Chasing A Group Of Gasparinisaura
  28. Common Dolphins
  29. Abdominal organs in situ. abdominal cavity, digestive system
  30. Molecule Peppermint
  31. Human spine, side view
  32. Wilson Dam, Alabama, forms portion of the Tennessee River barge route
  33. Conceptual image of human backbone
  34. Thomas Edison, US inventor
  35. HaCaT culture cells, light micrograph
  36. Homeric cosmogony
  37. Garden Tulip - Botanical Illustration
  38. The nerve supply of the trunk
  39. Human spine, artwork
  40. Crystals of magnesium sulphate
  41. Coloured LM of a normal female karyotype
  42. Crystal
  43. Orbits of Galileo spacecraft around Jupiter
  44. Tentative phylogenetic scheme for hominid species
  45. Muscles used in cycling, 19th century
  46. Artwork based on Mauna Kea of a telescope dome
  47. Keyboard Keys
  48. Bismuth crystal