Peeking into a chrysalis, videos reveal growth of butterfly

MIT engineers have continuously observed scales growing and assembling on a butterfly wing for the first time as the developing insect transforms inside its chrysalis.

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Sungsam Kang , Anthony Mcdougal , Mathias Kolle , Zahid Yaqoob , Department Of Mechanical Engineering , Proceedings Of The National Academy Sciences , National Science Foundation , Painted Lady , National Academy , National Science , Peter So , Ainted Lady Vanessa Cardui ,