How do butterflies stick to branches during metamorphosis?

How do butterflies stick to branches during metamorphosis?

Most of us learned about butterfly metamorphosis as a kid — a wriggly caterpillar molts its skin to form a tough chrysalis and emerges as a beautiful butterfly. But how exactly do chrysalises stay anchored as the butterfly brews within? Research published in ACS Biomaterials Science & Engineering shows that, despite their silks being weak … Read more