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October 22, 2020 01:30 am

How This Uncrushable Beetle Can Survive Being Run Over By a Car

fahrbot-bot shares a report from Gizmodo: The diabolical ironclad beetle, in addition to having one of the coolest names in the animal kingdom, boasts one of the toughest natural exoskeletons. A team of scientists has finally figured out the secret behind this extra durable armor and how these insects can survive getting run over by a car. As wise people often say, a reed that bends in the wind is stronger than a mighty tree that breaks during a storm. New research published today in Nature suggests the diabolical ironclad beetle (Phloeodes diabolicus) is an adherent of these sage words. Their exoskeletons are extra tough, but when the pressure literally gets to be too much, their protective shells take on an elastic quality that results in a kind of stretching rather than breaking. The scientists who made this discovery -- a team from Purdue University and the University of California-Irvine -- say the unique strategy employed by the diabolical ironclad beetle could inspire the creation of innovative materials, namely components capable of dissipating energy to prevent catastrophic breakage. According to the experiments, diabolical ironclad beetles can withstand an applied force of 150 newtons, which is 39,000 times its body weight. "If we were to compare this to humans (not a great example, given the vastly different scales involved, but fun nonetheless), that would require a 200-pound person to endure the crush of 7.8 million pounds," the report says. "A tire passing overhead would inflict 100 newtons of force, which explains how these beetles can survive run-ins with cars. The researchers say other beetle species can't handle even half of this load."

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