Spider silk is five times stronger than steel—now, scientists know why

The next time you brush aside a spiderweb, you might want to meditate on its delicate strength—if human-size, it would be tough enough to snag a jetliner. Now, scientists know just how these silken strands get their power: through thousands of even smaller strands that stick together to form this critter’s clingy trap.
Read more: https://www.sciencemag.org/news/2018/11/spider-silk-five-times-stronger-steel-now-scientists-know-why?source=Snapzu