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Writer Fuel: Strange Sea Worms Have Butts That Grow a Brain

sea worm - deposit photos

Some marine worms have developed a strange reproduction strategy: They essentially grow a second worm on their rear ends, head and all. This bizarre twin then breaks off and swims away to mate with other swimming butts of the opposite sex. In a study published Nov. 22 in Scientific Reports, researchers described exactly how Japanese … Read more

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Writer Fuel: Why Are Octupuses So Smart?

Octopus - Deposit Photos

Octopuses may have gained some of their exceptional intelligence from the same evolutionary process that humans went through, a new study suggests. The process involved a sudden explosion of microRNAs (miRNAs) — small, noncoding molecules that control how genes are expressed. This increase may have helped the brains of octopuses and humans to develop new … Read more