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Darwin's bark spider spins the toughest biological material yet measured, a silk more than ten times tougher than Kevlar, and strings its web across rivers on bridge lines up to 25 meters long

A giant orb weaver discovered in Madagascar builds the largest known orb webs and spins dragline silk so tough it absorbs more than ten times the energy of Kevlar before it snaps. A spider in Madagascar makes a thread that outperforms anything in the materials labs of the human world. Its dragline silk is the toughest biological material scientists have yet measured, able to soak up more than ten times as much energy as Kevlar... [6595 chars]

Darwin's bark spider spins the toughest biological material yet measured, a silk more than ten times tougher than Kevlar, and strings its web across rivers on bridge lines up to 25 meters long

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