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  1. E. coli bacteria, SEM
  2. Human evolution, artwork
  3. Stethoscope
  4. Breast cancer cells, SEM
  5. Co-enzyme NAD (nicotinamide) crystals
  6. Embryo development 24-36 hours after fertilization
  7. Chromaticity diagram
  8. Antibody, artwork
  9. Porphyromonas oral bacteria, TEM
  10. Canada, Mackenzie Mountains, Ravensthroat River. Aurora Borialis
  11. Human tooth anatomy, diagram
  12. Carboniferous landscape
  13. Ghostly Grease Ice - USGS Earth as Art
  14. The bones of the neck
  15. Bromine
  16. Circulatory system, 17th century
  17. Human nervous system from behind, artwork
  18. Chemistry, graduated beakers
  19. HaCaT culture cells, light micrograph
  20. Kidney glomeruli, SEM
  21. Close-Up of Molecular Structure Diagrams
  22. Lung blood vessel nerves, 1844 artwork
  23. Placing of electrodes for ECG, artwork
  24. Heart anatomy, 19th Century illustration
  25. Oregon. Close-up of Owyhee Picture Jasper stone
  26. Alveoli
  27. 1770 Cuvier Maastricht Mosasaur
  28. Heart anatomy, 18th century
  29. Nerve synapse
  30. Microscopic view of Penicillium expansum
  31. Silver birch twig, SEM
  32. Normal spine, X-ray
  33. Antibiotic acting on bacteria
  34. Artwork of structures within a human nerve
  35. Male muscles, artwork
  36. Superficial arteries and veins of face and scalp. cardiovascular system
  37. Human skeleton
  38. Magnetic field
  39. Halogens
  40. Stages in female human evolution
  41. Mitosis
  42. Ice Stars - USGS Earth as Art
  43. Chemistry apparatus
  44. Tibetan cosmology, 18th century artwork
  45. Normal knee, X-ray
  46. Diamond structure
  47. Human head with bone, muscles and circulatory system
  48. Sea salt, SEM