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Fossilized Biophotonic Nanostructures Reveal the Original Colors of 47-Million-Year-Old Moths

Figure 2

Transmission electron micrographs of the fossil multilayer reflector.

(A) Vertical longitudinal section through a stack of four scales; scales are fractured locally. r, resin; s, sediment. (B) Detail of multilayer nanostructure in a longitudinal section through a single scale. (C) Transverse section through a scale showing broad ridges and the concave geometry of the interridge surface and of the underlying multilayer structure. Scale bars: (A, C), 1 ┬Ám; (B), 500 nm.

Figure 2