Spider spinneret evolution: How a genome duplication event 438 million years ago set the stage

Scientists have uncovered a 400-million-year-old genetic secret that gave spiders the ability to produce silk and weave their ...
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Scientists found a spider that builds 80-foot webs, and its silk is tougher than steel

A spider no larger than a coin has upended what scientists thought they knew about natural materials. Discovered in the wilds ...