Ink Defense: When threatened, the wunderpus can release a cloud of dark ink into the water to create confusion and escape from predators. This ink cloud serves as a diversionary tactic, allowing the octopus to make a quick getaway. #octopus #ocean #diver | Critter Hunter

What is octopus ink—one of nature's most powerful defense mechanisms—actually made of? http://bit.ly/1qq1p4v | National Geographic

Why do people cover a large octopus with black ink and press it onto paper? It turns out this was an ancient way for fishermen to record fish species and display their catches. The technique, known as “Gyotaku” or fish printing, originated during China’s Song Dynasty. In a time without cameras, fishermen used this method to preserve records of rare or large fish. They would wash the fish, dry it carefully, spread out its fins, and coat one side with ink. Then, using soft cloth or rice paper, the

This weeks theme is Under the Sea 🐚 So we made an Octopus and Squid ink propelled experiment 🐙🦑 You need: - printed octopus and squid - ink from pen that I took apart - bin with water The ink has a lower surface tension than water, creating a surface tension gradient that pulls the paper forward, a phenomenon known as the Marangoni effect 👩🏽‍🔬 #scienceforlittles #underthesea #scienceexperiment #scienceexperiments #scienceexperimentsforkids #scienceathome #scienceiscool #preschoolathome #pr