Ants form unsinkable raft
An ant weave may just be the latest waterproof fabric. In this video, fire ants link their bodies to form a floating structure that resists being firmly poked by tweezers. Even when enough force is applied to submerge it, the raft quickly pops back up undamaged.
Nathan Mlot and colleagues at Georgia Institute of Technology have been studying how ants create these structures. Since their habitat regularly gets flooded, they have evolved ways to self-assemble to form ladders, walls and in this case a raft.