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  1. Stages in human evolution
  2. Utah - USGS State Mosaic
  3. C-reactive protein, molecular models
  4. Wisconsin - USGS State Mosaic
  5. Gold nugget held in tweezers
  6. Venus
  7. Light echoes from exploding star
  8. Sex-linked inheritance of white eyes in Drosophila flies
  9. The analysis of sound frequencies by the basilar membrane.
  10. Microscope
  11. Medieval urine wheel
  12. Buttercup stem, light micrograph
  13. Vintage Parchment Stethoscope Patent Poster
  14. Caduceus and graph
  15. Universal indicator scale
  16. Normal hip, X-ray
  17. Houdini Diver Suit
  18. First Atom Bomb Test Site
  19. Human skull with teeth, computer artwork
  20. Welders Goggles I
  21. Brain anatomy, 16th century diagram
  22. Quark structure of silicon atom nucleus
  23. Male Hercules Beetle
  24. Cardiac muscle, TEM
  25. The Effect Of The Coriolis Force (The Rocket Example)
  26. Oil well pump jacks at Bakken Oil Field near Estevan, Saskatchewan, Canada
  27. Spatial dimensions, conceptual artwork
  28. Pictorial plaque on Pioneer 10 and 11
  29. 3D rendering of a Velociraptor dinosaur skeleton, side view
  30. Human skull
  31. Iron pyrites
  32. Newspapr Rock Petroglyphs, Utah
  33. Formation of the Earth, artwork
  34. Comparison of bones of forearm and lower leg - anterior view. skeletal system
  35. Aurora observations, 1839
  36. 19th Century internal combustion engine
  37. E=mc2 in red
  38. Chemistry Equations
  39. 5s electron orbital
  40. The Optimist - USGS Earth as Art
  41. Electromagnetic spectrum, artwork
  42. Sciatica caused from herniated disc
  43. Leukemia cells, TEM
  44. Vintage Parchment Hydraulic Drilling Rig Patent Poster
  45. DNA helix
  46. Breast anatomy, artwork
  47. Caffeine crystals, SEM
  48. Scanning electron microscope