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  1. Deinonychus
  2. Relief depiction of Ramses II, Temple of Luxor, Egypt
  3. Lion and Gladiator
  4. Molecule Glucose
  5. Presidential portrait of President George H.W. Bush
  6. Soybeans, early growth, Minnesota
  7. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  8. Muscular man running
  9. Practical Television, March 1959
  10. Rib cage of human skeleton
  11. Cindarella With Pumpkin And Mice
  12. Burning Of The New York Crystal Palace On Tuesday October 5th 1858
  13. Anterior view and sagittal view of male urinary bladder
  14. As Pandora Raised The Lid The Cottage Grew Very Dark. Illustration
  15. Invertebrates
  16. Safety Pin Patent
  17. Oregon - USGS State Mosaic
  18. Vertebrates
  19. Solar Surfing' To Take Science Even Closer To The Sun
  20. Taming of the West: The Way of the Law
  21. Beer, the Hop Plant, 1836
  22. Variety Of Flasks
  23. Vintage World War II poster featuring a fedora and an Army helmet
  24. 'London', plate 38 from 'Songs of Experience', 1794
  25. The cervical vertebrae
  26. Conceptual image of DNA
  27. Byrd Glacier - USGS Earth as Art
  28. Comparing Saurischian and Ornithischian Pelvises
  29. Albert Honey
  30. Male skeleton, computer artwork.
  31. ABCs
  32. Pythagoras Maths Equation
  33. The muscles of the hand
  34. Rocket, Be Greater Than Average
  35. President John F. Kennedy signing the Equal Pay Act
  36. The bones of the lower back
  37. Native Peruvian Dancer And Dress
  38. Pluto II
  39. William Harvey
  40. Artillery drill in fort during the American Civil War
  41. A herd of Brachiosaurus travel near a canyon mountain
  42. The Crusades
  43. Pachycephalosaurus
  44. Earth III
  45. Triceratops
  46. School Days
  47. Terracotta Army
  48. Giant Panda