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  1. Semicircular canal, diagram
  2. Fludd's wind diagram
  3. Antibiotic research
  4. Skull anatomy
  5. Pantometer, 16th Century
  6. Doctor examining MRI scans
  7. Brontotherium, a family of extinct mammals
  8. Sleeping sickness parasite
  9. Can evacuated by vacuum pump
  10. Growth hormone receptor, molecular model
  11. Nerve cell, computer artwork
  12. Computer model of a molecule of vanillin
  13. Eden Project
  14. Group of H5N1 virus with glassy view
  15. Orlan spacesuit gloves
  16. Boring a hole
  17. Nerve synapse
  18. Craniofacial surgery approaches
  19. DNA autoradiogram
  20. Homo antecessor
  21. Engraving of the Bullock Rotary Press of 1865
  22. Arachnid anatomy, artwork
  23. Viral dUTPase enzyme, molecular model
  24. Foot bones and ligaments
  25. E. coli bacteria
  26. Pollinated flower pistil, SEM
  27. Radiologists examining an X-ray
  28. Narrowed coronary artery, artwork
  29. Artwork of eye
  30. 5f electron orbitals, cubic set
  31. Cochlea cells, SEM
  32. Artwork of intestinal hookworm causing anaemia
  33. Doctor's stethoscope
  34. Viral transfer of bacterial DNA, artwork
  35. Young frog at 10 weeks
  36. Tourmaline
  37. Retina with neovascularization
  38. Flower pistil
  39. Tomato plant
  40. Retina of a normal eye
  41. Early Earth, artwork
  42. Fire plumes, computer simulation
  43. Transverse section of the midbrain
  44. Molecular structure
  45. Human evolution
  46. Bromine diffusion
  47. Sperm bank
  48. Guillaume Lemonnier1717-1799