Flexible, Stretchable Fire-Ant Rafts

Fire-ant rafts aren't just unusual in that they're "viscoelastic," like Jell-O and toothpaste, according to a new study presented in a talk at the upcoming APS's Division of Fluid Dynamics meeting. Researchers found the rafts actively reorganize their structure, a feat that allows them to more effectively cushion themselves against applied forces, such as the battering of raindrops or the surges of waves.

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