Researchers are "growing" the spider's silk inside Mille and Muscade's mammary glands.

FORBES: Charlotte's Goat

Spider-silk saw notes warble through, sounding more familiar than their eerie call probably should and framing a gentle counterpoint from viola and cello.

NPR: Amiina: A Dance of Sounds in Space

By injecting the orb weaver gene into the father of Mille and Muscade, Nexia bred she-goats with mammary glands able to produce the complex proteins that make up spider silk.

FORBES: Charlotte's Goat