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  1. Seahorse skeleton
  2. Laboratory flask and circuit board
  3. Brain with skull in situ - lateral view. nervous system
  4. Rubber and gutta-percha molecular models
  5. San Luis, Argentina - USGS Earth as Art
  6. Row of spectrophotometer cells
  7. Robot arm picks tray of DNA-containing bacteria
  8. Breast cancer cells, SEM
  9. First V-2 rocket launch, artwork
  10. Hazardous chemicals
  11. Tibetan cosmology, 18th century artwork
  12. Atom, artwork
  13. Muscles of lower leg
  14. Bilharzia infection, ureter tissue
  15. Quark structure of silicon atom nucleus
  16. Heart
  17. Organic synthesis
  18. Early video phone system, 1930
  19. Early telephone, historical artwork
  20. Artwork of structures within a human nerve
  21. Structure of a human heart, artwork
  22. HIV virus particles, artwork
  23. Detached blood clot, artwork
  24. Antibiotic destroying a bacterium
  25. Colorized scanning electron micrograph of filamentous Ebola virus particles
  26. Estimated Number Of Known Living Species
  27. Cell division
  28. Meandering Mississippi - USGS Earth as Art
  29. Anterior neck and facial muscles of the human head (with labels)
  30. DNA sequences
  31. The sun sets behind a row of spinning windmills or wind turbines
  32. DNA autoradiogram, artwork
  33. Osteoporosis
  34. Hughes' printing telegraph
  35. Cobalt chloride crystals magnified 40x
  36. 5s electron orbital
  37. Kidney glomeruli, SEM
  38. Paramecium protozoa, light micrograph
  39. V-2 rocket prior to first US launch
  40. Printing Press
  41. Cross section biomedical illustration of pulp and root abscess in molar
  42. Woman holding ultrasonograph photo of baby
  43. Caffeine crystals, SEM
  44. Microscopic view of Penicillium expansum
  45. Medical testing
  46. Lumbar vertebra
  47. Upper body bones, computer artwork.
  48. Lie detector test