By Jonathan O’Callaghan from NYT Science https://ift.tt/cS8ridg via IFTTT
Unraveling the mathematics behind wiggly worm knots For millennia, humans have used knots for all kinds of reasons — to tie rope, braid hair or weave fabrics. But there are organisms that are better at tying knots and far superior — and faster — at untangling them. Tiny California blackworms… Read more at nsf.gov