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  1. Ratcliffe Power Station
  2. Back to School
  3. Conceptual image of human lungs and rib cage
  4. Farmers Wanted for Survival on Mars
  5. The bones of the foot
  6. Cardiovascular scan
  7. Frogs and their Eggs
  8. New York Under The Blue Laws, 1895
  9. Dinosaur Skeleton, 1921
  10. Robinson Crusoe and his pets. From Adventures of Robinson Crusoe, published 1908
  11. Yutyrannus huali is a feathered tyrannosauroid from the Early Cretacous of China
  12. 1980's UK Womans Weekly Magazine Cover
  13. Velociraptor
  14. Albert Honey
  15. Conceptual image of influenza causing flu
  16. Marsupials
  17. Ceratosaurus
  18. Scanning electron micrograph of just-divided HeLa cells
  19. Earth III
  20. Body Plans of Extinct Reptiles
  21. Artillery drill in fort during the American Civil War
  22. Variety Of Flasks
  23. Ganges River Delta - USGS Earth as Art
  24. Lake Disappointment - USGS Earth as Art
  25. Stegosaurus
  26. Geometry tools
  27. Science classroom
  28. Can You Help Me Please
  29. Human Skin
  30. Photo of industrialist Andrew Carnegie
  31. 1900's UK Portrait Book Plate
  32. Faded Blueprint Windmill 1906 Patent Poster
  33. Apatosaurus
  34. Wanted poster for Jesse James
  35. Coahuila, Mexico - USGS Earth as Art
  36. That Dam Cloud
  37. A Relative II
  38. Bomjamin
  39. Anatomy of human pancreas, with labels
  40. Artist's concept depicting the evolution of a lobe-finned fish to an amphibian
  41. Earth's Moon IX
  42. President John F. Kennedy visits with reporters
  43. Molecular Fusion I
  44. Rice Terraces, Longsheng Ping'an, Guangxi
  45. Mars III
  46. Euoplocephalus
  47. The arteries of the brain
  48. Jordan - USGS Earth as Art