The Octopus That Picked the Lock
読む前に
読む前に
In 2016, a small aquarium in New Zealand had a problem. One of their octopuses, called Inky, had disappeared from his tank. There was no broken glass. No alarms had gone off. The staff arrived in the morning, and Inky was simply gone.
After looking around the room, they finally found the answer. Inky had pushed open the top of his tank during the night. He had then dragged his body across the floor to a small drain pipe that led out to the ocean. He squeezed inside the pipe, slid through eight feet of metal, and came out in the sea. By morning, he was free.
What is incredible is not just what Inky did, but what it means. Octopuses are some of the smartest animals on Earth. They have about 500 million neurons, similar to the brain of a dog. Most of those neurons are not in the head but spread through their arms. Each arm can almost think for itself.
In labs around the world, octopuses have learned to open jars by turning the lid. They can solve puzzles to reach a piece of crab inside a box. Some have remembered the faces of specific researchers and squirted water at the ones they did not like.
Scientists still do not fully understand how octopus intelligence works. It evolved separately from ours, more than 500 million years ago. It is, in a way, the closest thing we have to meeting an alien mind on this planet.
Inky was never seen again. The aquarium replaced him, but they made the new tank much harder to escape from.
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