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