SpidersilkistougherthanKevlar, moreflexiblethannylonandthinnerthan a singlestrandofhumanhair, makingthissupermaterialoneofthestrongestmaterialsintheworld.
Theteamtestedthismethodonsheepsincetheyfoundthatsheepsnervescloselyreplicatedthoseofhumans, andtheydiscoveredthatthenervecellswouldusethespidersilkalmostlike a trellisgrowingalongthethreadandonspiders.
There's still a lotofhesitationaroundspidersilks, andtheFoodandDrugAdministrationstillhaveyettoapprovethebiomaterialforuseinthemedicalindustryandbeyond.
I thinkthewholeideaofbeingabletodesignahfiberwithpropertiesthatwewantedtohave, ratherthanjusttakingwhatthespidershavegivenussofar, isalso a bigdeal, andthatworkisstillhappening.