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  1. Alice in the Looking Glass House, from 'Through the Looking Glass' by Lewis Carroll
  2. Alice and the White Knight, from 'Alice in Wonderland' by Lewis Carroll
  3. Drafting the Declaration of Independence, 28th June 1776, detail of Thomas Jefferson
  4. Scanning electron micrograph of an apoptotic HeLa cell
  5. Colorized image of HIV-infected H9 T-cell
  6. Smilodon sabertooth mother and her cubs
  7. Neanderthals hunt a cave bear
  8. Full on view of a Woolly Mammoth
  9. Artist's concept depicting the evolution of a lobe-finned fish to an amphibian
  10. A Woolly Mammoth bursting out of a snowy, wooded backdrop
  11. A pair of Allosaurus dinosaurs explore the remains of a Diplodocus carcass
  12. A humorous view of the reverse evolution of man
  13. Microscopic view of plant tissues
  14. Microscopic view of bacteria
  15. Frank Whittle's early development of the jet engine
  16. Conceptual image of flagellate bacterium
  17. Conceptual image of DNA
  18. Conceptual image of DNA
  19. Conceptual image of DNA
  20. Conceptual image of DNA
  21. Conceptual image of DNA
  22. Conceptual image of DNA
  23. Conceptual image of DNA
  24. Conceptual image of DNA
  25. Conceptual image of DNA
  26. Conceptual image of DNA
  27. Conceptual image of chromosome
  28. Andalgalornis steulleti, a flightless predatory bird
  29. Yutyrannus huali is a feathered tyrannosauroid from the Early Cretacous of China
  30. View looking from inside the mouth while at the dentist
  31. The human body with superimposed colored plates by Julien Bougle
  32. The human body with superimposed colored plates by Julien Bougle
  33. Scanning electron micrograph of Staphylococcus and a dead human neutrophil
  34. Scanning electron micrograph of just-divided HeLa cells
  35. Scanning electron micrograph of HIV particles infecting a human T cell
  36. Scanning electron micrograph of HIV particles infecting a human H9 T cell
  37. Scanning electron micrograph of a human T cell
  38. Scanning electron micrograph of a human neutrophil ingesting MRSA
  39. Muscular man running
  40. Multiphoton fluorescence image of HeLa cells
  41. Internal view of the human heart
  42. Illustration of muscle contraction
  43. Illustration of action potential of a nerve cell
  44. External auditory canal of human ear (with labels)
  45. External anatomy of the human eye (with labels)
  46. Colorized scanning electron micrograph of filamentous Ebola virus particles
  47. Anterior neck and facial muscles of the human head (with labels)
  48. 'Nurse's Song,' plate 18 from 'Songs of Innocence,' 1789