Abstract
Have you ever wondered how small animals survive in a giant ocean full of danger? Remora fish attach to sharks, whales, turtles, boats, and even divers to survive. We studied remoras to figure out how they attach themselves using a disc on the top of their head. We wanted to find out if we could copy the disc to make suction devices that can work in other wet environments. Using our findings, we created a device that can attach to a variety of surfaces. It also worked under a variety of conditions. For example, it stayed attached inside the stomach of live animals for almost 3 weeks! This device could help us track conditions and deliver medicine inside the human body. It could also help us track the environment around us.
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