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