Metamorphosis: Scientists watch butterfly wings grow inside chrysalis in real time

Ars Technica
By Jennifer OuelletteNov 22, 2021, 4:09 pm178 pts
Enlarge / A painted lady butterfly lands on a flower. The bright iridescent colors in its wings don't come from pigment molecules but from how the wings are structured. Chitin scales essentially form a diffraction grating tuned to specific wavelengths of light. (credit: Mark Rightmire / Getty Images) One of the…

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