The Priests, from the town of Stratford-upon-Avon in England, welcomed their 8-week-old furry companion Penny last year, and quickly learned she was a very rare Hermaphrodite, with one testicle and ...

Sex-specific organ shape is usually thought to depend on sex chromosomes or hormones. Now it emerges that crosstalk between organs sculpts sex-specific 3D gut shape in flies, identifying a new way to ...