Skyehaven's Cool Thing of the Day

Just a little something that might help to satisfy a 'satiable curiosity.

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Is there intelligent life on earth?

Posted by Skyehaven on March 3, 2009
Posted in: elephant's child, nature. Tagged: animal intelligence, intelligent life, slime mold.

Yes, apparently there is. The slime mold’s intelligence has been proven.

In their experiment, biophysicist Toshiyuki Nakagaki of Hokkaido University and colleagues manipulated the environment of Physarum slime-mold amoebas (near right). As the cells crawled across an agar plate, the researchers subjected them to cold, dry conditions for the first 10 minutes of every hour. During these cool spells, the cells slowed down their motion. After three cold snaps the scientists stopped changing the temperature and humidity and watched to see whether the amoebas had learned the pattern. Sure enough, many of the cells throttled back right on the hour in anticipation of another bout of cold weather. When conditions stayed stable for a while, the slime-mold amoebas gave up on their hourly braking, but when another single jolt of cold was applied, they resumed the behavior and correctly recalled the 60-minute interval. The amoebas were also able to respond to other intervals, ranging from 30 to 90 minutes.

The jury’s still out on the rest of us, though.

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