Planarians, flatworms known for their goofy cross-eyed gazes, may have to make an evolutionary trade-off between regeneration and sex – across different species of planarians, the same gene signalling ...

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Kansas City, MO – November 18, 2021 — Among their many extraordinary feats, some planarian flatworms reproduce by tearing off pieces of themselves to regenerate new worms. Now, researchers at the ...