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  1. Boring a hole
  2. Plant roots
  3. Mylius' Philosophia reformata
  4. Hughes' printing telegraph
  5. The Plough asterism in Ursa Major
  6. Buckminsterfullerene molecule
  7. Acoustic echo
  8. Coloured SEM of human embryo at 16-cell stage
  9. National Radio Astronomy Observatory, Green Bank, West Virginia
  10. Island Rebound - USGS Earth as Art
  11. Structure of a human heart, artwork
  12. Foot bones and ligaments
  13. Nikola Tesla
  14. Liver proteins
  15. Cingulate gyrus in the brain, artwork
  16. Paramecium protozoa, light micrograph
  17. The musculoskeletal system
  18. Alaska - USGS State Mosaic
  19. Anticoagulant molecule
  20. Cretaceous dinosaurs
  21. Preparing sample vials
  22. pH measurement of oxide solutions
  23. New Hampshire - USGS State Mosaic
  24. Dilute hydrochloric acid reactions
  25. Wire Frame Render of a Clock Mechanism, Close-up
  26. Spinal cord anatomy, 1844 artwork
  27. Microscopic view of Giardiasis
  28. Coronary artery disease
  29. Molecular structure
  30. Molecular model of quartz
  31. Graphite
  32. The musculoskeleton of the neck
  33. Vitamin C molecule
  34. Calabai-yau manifolds
  35. Adult human skull
  36. Eye retina
  37. Salt dissolution, artwork
  38. Glacial sand deposit
  39. Northern Norway - USGS Earth as Art
  40. Lie detector test
  41. Australia - USGS Earth as Art
  42. Heart valve and strings, SEM
  43. Bacterial contamination tests
  44. Woman interacting with multiple touch screens
  45. Lungs
  46. Mercury
  47. Male reproductive system, artwork
  48. Crystal