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  1. Cambrian invertebrate, artwork
  2. Human eye with muscles and circulatory system
  3. Conceptual image of bones in human hand
  4. Quartz crystals
  5. Mycobacterium tuberculosis bacteria
  6. Microscopic view of cell and virus
  7. Robot loading DNA in automated genome mapping
  8. Compsognathus
  9. Carrion Beetle, SEM
  10. Rainbow optics, historical artwork
  11. Rod-shaped bacteria, artwork
  12. Star Collector III
  13. Light bulb
  14. Volcanic ash layers in rock
  15. Stethoscope
  16. Cell division in Salmonella bacterium
  17. Protein tyrosine phosphatase molecule
  18. Fluid aspirate from staph infection
  19. 1839 Darwin's Falkland Island Fox Extinct
  20. Lady Bell Plant Pollen
  21. Syringe
  22. Brachiosaurus
  23. Albion Printing Press
  24. Star Collector I
  25. The nerve and blood supply of the head and neck
  26. Antibiotic cell membrane effect, artwork
  27. Lithosphere, artwork
  28. The musculoskeletal system
  29. Microscopic view of ebola virus
  30. Palmtop
  31. Pills
  32. Artwork of Stegosaurus dinosaur, Stegosaurus sp
  33. Cranial nerves
  34. Light bulb, historical artwork
  35. Porphyromonas oral bacteria, TEM
  36. Soap bubbles
  37. Acupuncture model
  38. Lady Bell Plant Pollen
  39. Cross section of human heart
  40. Pregnancy, conceptual artwork
  41. 4p electron orbitals
  42. Pussy willow catkins (Salix sp.)
  43. Garnerin's parachute design, 1797
  44. Nerve damage and stem cells, artwork
  45. The bones of the forearm
  46. Woolly mammoth, 19th century artwork
  47. Graphite
  48. Artwork of lung oedema in heart failure