You might have seen ants forming a raft or a bridge, but they can also act like ketchup. That's because aggregations of ants exhibit properties of both liquids and solids, according to a new study published in Nature Materials.


You might have seen ants forming a raft or a bridge, but they can also act like ketchup. 
That's because aggregations of ants exhibit properties of both liquids and solids, according to a new study published in Nature Materials. 
Scientists loaded thousands of the little creatures into what's called a rheometer, a specialized piece of equipment made to assess various materials’ solid-and-liquid-like responses. 
When the ants were "sheared" at spe