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  1. Marie Curie, Polish-French physicist
  2. Muybridge Motion Study, 1870s
  3. Apollo 11 Moon Plaque, 1969
  4. Edison talking into his phonograph
  5. Roger Penrose, British Mathematician
  6. Stephen Hawking, British Physicist
  7. Convict Cichlid Fish Scales And Skin, SEM
  8. Heartbreak
  9. German WWII ramjet engine blueprint
  10. Plague doctor, 17th century artwork
  11. Tuberculosis Transfusion, 19th Century
  12. Hook Head Lighthouse, County Wexford, Ireland
  13. Tibetan cosmology, 18th century artwork
  14. Cold War medical training, 1958
  15. Ader's flying machine, 19th century
  16. Jocelyn Bell Burnell, British Astronomer
  17. German WWII ramjet bomber blueprint
  18. Nikola Tesla, Serb-US Physicist
  19. D-Day Landings, 6 June 1944
  20. A Young Male Lion Pokes His Head Above A Rocky Ledge, Serengeti National Park, Tanzania
  21. Close-Up Of Lion, Face In Shadows, Klein's Camp, Serengeti National Park, Tanzania
  22. Apollo 15 Lunar Rock Sampling, August 1971
  23. Germany, Berlin, Reichstag Parliament Building, Dome By Norman Foster Architect
  24. Carrick-A-Rede Rope Bridge, County Antrim, Ireland
  25. Going Fishing
  26. Orange Dragonfly, Flame Skimmer Perched On A Stick
  27. Monochromatic Male Lion Lies Between Two Females, Kenya
  28. Sierra Fall Mountain Pass
  29. Glacial Grandeur I
  30. Snow Covers The Mountainous And Landscape, Chugach State Park, Eagle River, Alaska
  31. Close-Up Portrait Of A Vervet Monkey Looking At The Camera, Serengeti, Tanzania
  32. Glacial Grandeur II
  33. Close-Up Portrait Of A Cape Buffalo, Segera, Laikipia, Kenya
  34. Galapagos Giant Tortoise Crossing A Dirt Road In The Forest, Galapagos Islands, Ecuador
  35. Portrait Of A Male Lion Looking Out Into The Savanna At Sunrise, Serengeti, Tanzania
  36. Boulders On The Seaside Shores Of The Baths, Virgin Gorda, British Virgin Islands
  37. Clinton Mill In Black And White
  38. Close-Up Of A Cheetah, Looking Out Into The Savanna, Serengeti, Tanzania
  39. Burchell's Zebra Standing On The Savanna, The Grumeti Serengeti Tented Camp, Tanzania
  40. Canada Geese Flying Above The Yellowstone River, Yellowstone National Park, Wyoming
  41. Cheetahs, Mother With Young Cubs Resting, Grassy Savanna, Grumeti Game Reserve, Tanzania
  42. Leopard Lifting Its Paw Walking At The Kicheche Bush Camp, Masai Mara, Kenya