Known for its unmatched relative strength and flexibility, which could find uses in novel textiles, spider silk has long eluded ... products as brewed protein materials. Produced via a ...

Researchers hope that artificial spider silk could one day replace non-renewable materials, such as steel or Kevlar. For example, bioengineers have used spider silk for suturing at the cellular level.

In this case, we’re talking about genetically modified yeast that produces spider silk. If that sounds like a lead-in to some Spiderman jokes and sci-fi references, you are correct on both accounts.