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  1. TEM of Proteus mirabilis bacterium
  2. Herbal pharmacy
  3. Elastic cartilage, SEM
  4. Ader's flying machine, 19th century
  5. Brachiosaurus
  6. Euoplocephalus
  7. Pea flower pollination, SEM
  8. The International Space Station in orbit above Earth
  9. Neurons, kaleidoscope artwork
  10. Woman's eye
  11. The bones of the foot
  12. Lifecycle of a Frog
  13. The Dardzha Monster - USGS Earth as Art
  14. Container plants
  15. Conceptual image of DNA
  16. STS-128 Mission
  17. Brain surface anatomy, with labels
  18. Myelinated nerve, TEM
  19. Delaware - USGS State Mosaic
  20. STS-135 Mission
  21. Clematis stem, SEM
  22. Macrophoto of drops of mercury in oil
  23. Grass stem, SEM
  24. DNA molecule, conceptual artwork
  25. Cholesterol crystals
  26. Rabbit eye, longitudinal section
  27. Conceptual image of chromosome
  28. DNA Fingerprinting, X-ray Autoradiograph
  29. Illustration of the human placenta
  30. Human nervous system, artwork
  31. Boron, atomic model
  32. Perpetual motion machine of von Kranach
  33. Female human head with brain
  34. Bass scale, light micrograph
  35. Muscles of the back
  36. Conceptual image of DNA
  37. Wyoming - USGS State Mosaic
  38. DNA replication, artwork
  39. Petri dish bacterial cultures, picking a colony
  40. Copper sulphate crystals, LM
  41. 1824 Buckland's Megalosaurus jaw teeth
  42. Artwork of a sabre-toothed cat (Smilodon sp.)
  43. Earth's rotation, artwork
  44. Artwork showing calcaneal spur and foot pain
  45. Rice Terraces, Longsheng Ping'an, Guangxi
  46. Dioscorides, Ancient Greek physician
  47. Circuit board components
  48. Allosaurus