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  1. Illustration of arthritis sites on the body
  2. x-ray of head
  3. Nedoceratops dinosaur, artwork
  4. Test Tube Experiment
  5. Grass stem, SEM
  6. 3<4
  7. Neutrino detector
  8. The cervical vertebrae
  9. Losh and Stephenson's carriage
  10. Male skeleton, artwork
  11. Angina pectoris
  12. Arm bones
  13. Tongue surface, SEM
  14. Cardiovascular scan
  15. Skeleton Chart
  16. Blue Gemstones Found Near Jodhpur
  17. Breast cancer cell, SEM
  18. Rock formation and erosion cycle
  19. Wormhole, conceptual artwork
  20. Woman's eye
  21. Velociraptor
  22. Body musculature
  23. Ellipsocephalus hoffi trilobite fossils
  24. Heart anatomy, 19th Century illustration
  25. Rugged Terrain - USGS Earth as Art
  26. Frogs and their Eggs
  27. Used interdental brush, SEM
  28. Alpha is the first letter of the Greek alphabet
  29. Hand anatomy, artwork
  30. Co-enzyme NAD (nicotinamide) crystals
  31. Deforestation
  32. Pachycephalosaurus
  33. Fludd's wind diagram
  34. Muscles of the neck
  35. DNA molecule, conceptual artwork
  36. Ader's flying machine, 19th century
  37. Male urinary bladder and urethra. urinary system
  38. Trabeculae carneae in the heart, SEM
  39. 19th Century Electric Telegraph Equipment
  40. Coloured SEM of human embryo at the 4-cell stage
  41. Conceptual image of chromosome
  42. LM of four-cell embryo
  43. Axon anatomy, diagram
  44. Langley's sunspot observation, 1873
  45. Heart
  46. Muscles of the hand and forearm
  47. Paracelsus and the Basel tribunal
  48. MEMS production, quality control