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Genes & Cells

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pillbug

SEX LIVES Wolbachia bacteria have done some remarkable things to sex in terrestrial crustaceans commonly called pill bugs — even when the actual bacteria are long gone.

beagle in the lab

A LITTLE HELP  Beagles that encountered an impossible problem — an immovable lid covering a treat (shown) — sometimes sought help from a nearby human stranger. Variations in a gene previously linked to autism in humans may influence the dogs’ people-seeking behavior.

IN WITH THE NEW  One technique to replace faulty mitochondria in egg cells has resulted in the birth of a healthy baby boy. The five-month-old is the first “three-parent baby” born using the spindle nuclear transfer procedure.

Genes & Cells

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