M: Yeah. It was pretty good, it was about barnacles.
W: Hmm.
M: You know how they stick themselves to stuff in the ocean -- like rocks or boats?
W: Uh-huh.
M: Well, they do that when they re young, and then they stay in the same place forever.
W: It figures. Have you ever been tired removing one of those things? Last summer I tried to scrape some off a pier -- I had to give up after a while. You d think they wouldn t be able to stick like that underwater.
M: That s one reason scientists are trying to figure out what their glue s made of. It s one of the strongest adhesives in nature. And it s a natural protein, so it probably wouldn t be harmful like some synthetic glues.
W: Really?
M: Yeah. These biomedical researchers were talking about its possible uses. Orthopedists could use it for mending broken bones; or it could be used in dentistry.
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