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  1. Microscopic view of DNA
  2. Caduceus, artwork
  3. Cutting out the Stone of Madness or an Operation on the Head
  4. The nerve supply of the trunk
  5. Teeth
  6. Astronomical Chart I
  7. Gold nugget held in tweezers
  8. Granville Woods, US inventor
  9. Skin anatomy
  10. DNA molecule
  11. Surgical equipment
  12. Pulmonary veins and arteries. circulation, cardiovascular system
  13. 1824 Buckland's Megalosaurus limb bones
  14. Arkansas - USGS State Mosaic
  15. Refraction
  16. Replica Of Eli Whitney's Cotton Gin
  17. Molecule Milk
  18. Surgical Instruments
  19. Uranus and its rings, artwork
  20. Quartz crystals
  21. Muscles of the abdominal wall - anterior view
  22. How Seeds Travel
  23. Interference pattern of oil on water
  24. DNA nucleotides, artwork
  25. Mars
  26. Human skull with teeth, computer artwork
  27. Nikola Tesla With An Early Tesla Coil
  28. Halophiles Phenomena, Dead Sea - Aerial Photograph
  29. Table from Becher's 'Opuscula chymica'
  30. The analysis of sound frequencies by the basilar membrane.
  31. View of assorted dental equipment
  32. Pastel Periodic Table - Classic Text
  33. Tyrannosaurus rex
  34. Earth's magnetic field protection
  35. The Moon
  36. Printed circuit board components
  37. Costellazioni II
  38. Semiconservative DNA Replication
  39. Dandelion plant stem, light micrograph
  40. Wheat Mower with Hat, Seen from Behind, by Vincent van Gogh, c. 1870-90
  41. Artwork of cochlear implant in ear
  42. A selection of galaxies shown to the same scale
  43. Chloroform analysis, 19th century artwork
  44. Paisley Agate
  45. Right radius and ulna bones in supination - anterior view. skeletal system
  46. Human nervous system, artwork
  47. Orbits of Galileo spacecraft around Jupiter
  48. Mylius' Philosophia reformata