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  1. Art of pulmonary tuberculosis with lung cavities
  2. Ganges River Delta - USGS Earth as Art
  3. Spinal cord anatomy, 1844 artwork
  4. Breast cancer cell, SEM
  5. Magnetic field
  6. Stegosaurus
  7. Insulin molecule
  8. HIV particles, TEM
  9. Electron orbitals
  10. Skin section, SEM
  11. Lake Disappointment - USGS Earth as Art
  12. Heart and neck blood vessels
  13. Great Auk (Pinguinus impennis), engraving
  14. Human Skin
  15. Trabeculae carneae in the heart, SEM
  16. Staphylococcus epidermidis bacteria
  17. Utility pipes, artwork
  18. Science classroom
  19. Back of brain and spinal cord with head in dark cloud indicating depression
  20. DNA sequence on a computer monitor screen
  21. Germination of a maize seed, Zea mays
  22. Hunting sabre-toothed cat
  23. Limescale, SEM
  24. Apatosaurus
  25. Vegetation Profile Of A Savanna
  26. Anatomy of female reproductive system
  27. Railway carriages
  28. Used interdental brush, SEM
  29. X-ray of human and chimpanzee skulls
  30. Ader's flying machine, 19th century
  31. A Relative II
  32. Cervical smear slides
  33. Coahuila, Mexico - USGS Earth as Art
  34. That Dam Cloud
  35. Brain coral, artwork
  36. Chemistry beakers and stack of books
  37. Molecular Fusion I
  38. Transverse section of an artery. cardiovascular system, circulatory system
  39. Rice Terraces, Longsheng Ping'an, Guangxi
  40. xDNA molecule
  41. Elastic cartilage, SEM
  42. Woman's eye
  43. Anatomy of human pancreas, with labels
  44. Neurons, kaleidoscope artwork
  45. Nedoceratops dinosaur, artwork
  46. Female skeleton, artwork
  47. 3D Mandelbrot fractal. Computer-generated image derived from a Mandelbrot Set.
  48. The International Space Station in orbit above Earth