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Explaining Nature on Instagram: "When a butterfly is ready to emerge from its chrysalis, the shell begins to crack open near the top. The butterfly slowly pushes its way out, using its legs and body to squeeze free. At first, it looks fragile and a bit awkward, clinging tightly to the empty chrysalis case for support. Once out, its wings appear small, crumpled, and damp. The butterfly then begins to pump fluid from its body into the veins of the wings, causing them to expand. Over the next sever