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  1. Alabama - USGS State Mosaic
  2. Plant roots
  3. Various pollen grains
  4. Cut agates
  5. Cellular Protein Transport, Illustration
  6. Alpha is the first letter of the Greek alphabet
  7. Telegraph Key (Morse Code) Type J-37
  8. Composite image of the phases of the Moon
  9. Atomic structure
  10. Vintage Parchment Otoscope Patent Print
  11. Veins of the posterior abdominal wall. cardiovascular system
  12. Medieval physician and pharmacist
  13. False colour SEM of moss leaves; green
  14. Medical treatment, conceptual image
  15. Circulatory system and brain, artwork
  16. Vegetation Profile Of A Desert
  17. Lunar Lander, Defy Gravity
  18. Early electric train
  19. Head and neck anatomy, historical artwork
  20. Marie Curie
  21. Blood analysis
  22. Arteries of the posterior abdominal wall. cardiovascular system
  23. Blood clot, SEM
  24. Yeast protein interaction map
  25. Coloured SEM of human embryo at 8-cell stage
  26. Water ripples
  27. Silver birch twig, SEM
  28. Circulatory system and brain, artwork
  29. Art of gastro-oesophageal reflux in hiatus hernia
  30. Ellipsocephalus hoffi trilobite fossils
  31. Computer enhanced image of a snow flake
  32. Oxyacetylene flame
  33. Human Skeleton: Lateral view in Crouching Posture
  34. Leukaemia blood cells, SEM
  35. Laboratory glassware
  36. Diagram illustrating muscle groups on front of human legs
  37. Alchemy
  38. Celsius Wind Chill Chart
  39. Nerve fibre node, TEM
  40. Science classroom
  41. Mucosa and musculature of the stomach
  42. xDNA molecule
  43. Electrical cables
  44. Connections being made to microchip
  45. Thornback Ray, X-Ray
  46. Electron structure of helium atom
  47. China, Guangxi, Guilin, Dragon's Backbone rice terraces, Longji, Longsheng
  48. Skin, SEM