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 shows that, despite their silks being weak and thin on their own, caterpillars can expertly spin them into chrysalis support structures resembling hook-and-loop fasteners and multi-strand safety tethers.
from Latest Science News -- ScienceDaily https://ift.tt/vlCgu81
from Latest Science News -- ScienceDaily https://ift.tt/vlCgu81
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