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  1. Composite of 90 different species of parrots
  2. Normal spine, X-ray
  3. Visualisation of quark structure of proton
  4. Cell
  5. Pencil drawing illustrating various dinosaurs and their comparative sizes
  6. Scanning electron micrograph of Staphylococcus and a dead human neutrophil
  7. Sea surface density, global map
  8. Skeleton walking a marmoset, X-ray
  9. Medical equipment
  10. DNA
  11. Vintage Parchment Syringe Patent Poster
  12. Einstein Atom II
  13. Newton's optics
  14. Grey Agate E
  15. Engineering equipment
  16. Genetic code
  17. Running skeleton in body, artwork
  18. Portrait of Charles Darwin (1809-1882) 1883
  19. Apple Tree - Botanical Illustration
  20. Oil rig in the savannah of Wyoming
  21. Blueprint Astronomy
  22. Illustration of syringe needle drawing blood lipid
  23. Nikola Tesla, Serb-US physicist
  24. Autonomic nervous system
  25. Oregon. Close-up of Graveyard Point Plume Agate stone
  26. USA, Western New York, Buffalo, Lake Erie And Grain Elevator
  27. Neptune, artwork
  28. Arthritis of the knee, X-ray
  29. Human ear anatomy
  30. A Phrenological Map Of The Human Brain. From Virtue's Household Physician, 1924
  31. Universe timeline, artwork
  32. Solar eclipse composite, Queensland, Australia
  33. The bones of the jaw
  34. Monarch Butterfly Metamorphosis (Danaus Plexippus)
  35. Osteoporitic spine
  36. Monarch butterfly chrysalis about to hatch
  37. Flying Machine, drawing by Leonardo da Vinci. Ca. 1488
  38. 16th century world map
  39. Animal Kingdom Educational Poster
  40. Grey Agate B
  41. Aquatic Collage
  42. High speed photograph of bullet leaving gun
  43. Tuberculosis, Don't Kiss Me!: Your Kiss of Affection, the Germ of Infection - WPA Poster
  44. Fortifications Agua Nueva Agate
  45. Close Ups Of Fortification On Crazy Lace Agate
  46. Albert Einstein, German physicist
  47. Newspaper printing press
  48. Human lungs, artwork