<p>Mimicking the ink created by the bioluminescent cephalopods could keep both sharks and people safe.</p> <p>The post <a href="https://www.popsci.com/environment/shark-attacks-cuttlefish-ink/">Cuttlefish ink can help keep sharks away from humans</a> appeared first on <a href="https://www.popsci.com">Popular Science</a>.</p>