Act IVSurfaces and skeptical guardians of memory Slide 1 Slide 1 (current slide) Slide 2 Slide 2 (current slide) Slide 3 Slide 3 (current slide) Slide 4 Slide 4 (current slide) Slide 5 Slide 5 (current slide) Slide 6 Slide 6 (current slide) Slide 7 Slide 7 (current slide) Slide 8 Slide 8 (current slide) Slide 9 Slide 9 (current slide) Slide 10 Slide 10 (current slide) Slide 11 Slide 11 (current slide) Slide 12 Slide 12 (current slide) Slide 13 Slide 13 (current slide) Slide 14 Slide 14 (current slide) Slide 15 Slide 15 (current slide)
