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  1. Ganges River Delta - USGS Earth as Art
  2. Fertilisation, artwork
  3. Artwork of tooth showing periodontal disease
  4. Insect microscopy, 19th century
  5. Illustration of lung bronchioles and alveoli
  6. Trabeculae carneae in the heart, SEM
  7. Plant pore, SEM
  8. Stegosaurus
  9. Great Auk (Pinguinus impennis), engraving
  10. Insulin molecule
  11. Leaf midrib, SEM
  12. Electron orbitals
  13. Sperm production, SEM
  14. Staphylococcus epidermidis bacteria
  15. HIV particles, TEM
  16. Heart and neck blood vessels
  17. Skin section, SEM
  18. Hunting sabre-toothed cat
  19. Utility pipes, artwork
  20. Used interdental brush, SEM
  21. Charles Darwin, British naturalist
  22. Science classroom
  23. Railway carriages
  24. X-ray of human and chimpanzee skulls
  25. DNA sequence on a computer monitor screen
  26. Back of brain and spinal cord with head in dark cloud indicating depression
  27. Human Skin
  28. Anatomy of female reproductive system
  29. That Dam Cloud
  30. Cervical smear slides
  31. Chemistry beakers and stack of books
  32. Transverse section of an artery. cardiovascular system, circulatory system
  33. Apatosaurus
  34. xDNA molecule
  35. 3D Mandelbrot fractal. Computer-generated image derived from a Mandelbrot Set.
  36. Vegetation Profile Of A Savanna
  37. Jordan - USGS Earth as Art
  38. Nedoceratops dinosaur, artwork
  39. Brain coral, artwork
  40. Elastic cartilage, SEM
  41. The arteries of the brain
  42. Ader's flying machine, 19th century
  43. Woman's eye
  44. Female skeleton, artwork
  45. Morphine crystals, SEM
  46. Pea flower pollination, SEM
  47. Current melting steel wool
  48. Macrophoto of drops of mercury in oil