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  1. Illustration showing diverticulitis of the colon
  2. Stethoscope
  3. Silver nitrate crystals
  4. Pond life
  5. Crop formation in form of Mandelbrot set
  6. Vertebrates
  7. Invertebrates
  8. Respiratory system, artwork
  9. Lady Bell Plant Pollen
  10. Early radiography experiment
  11. Allosaurus
  12. Nerve demyelination, TEM
  13. Brain anatomy
  14. Acupuncture points
  15. Cholesterol crystals
  16. Blood centrifuge
  17. The nerve supply of the upper body
  18. Okavango Delta - USGS Earth as Art
  19. Conceptual image of platelets with red blood cells
  20. The Apothecary or, The Chemist
  21. Fingerprint, computer artwork
  22. Spinal bones and ligaments
  23. Mineralogie III
  24. Electromagnetic spectrum
  25. Waves on a white dwarf star
  26. Virginia - USGS State Mosaic
  27. Mylius' Philosophia reformata
  28. Ganges River Delta - USGS Earth as Art
  29. Universal indicator scale
  30. Brachiosaurus
  31. Atomic structure
  32. 5s electron orbital
  33. Microbiology research
  34. Bones of the shoulder - anterior view. skeletal system
  35. Upper body bones, computer artwork.
  36. Perpetual motion machine, 19th century
  37. Internal brain anatomy, artwork
  38. The Sun
  39. Polarised LM of crystals of caffeine
  40. The human body with superimposed colored plates by Julien Bougle
  41. Dandy Bones
  42. Brain and vision
  43. Paper chromatograms of various dyes
  44. Native copper
  45. Nerve synapse
  46. Historical medicinal products
  47. Cross section of human blood vessel showing atherosclerosis
  48. The Earth's seasons