The caterpillars that spin commercial silk can make much tougher or more elastic threads, depending on how fast they’re forced to spin. If this research finding is translated into a marketable process ...

an Widmaier, cofounder and CEO of Bolt Threads, dons a white lab coat with his name and the numeral one—for employee number one—on the back before opening a door to the company’s lab. Inside, Widmaier ...