Deep beneath the ground, a naked mole-rat queen rules without a crown. Scientists have now discovered that part of her authority may be carried through a chemical scent that keeps colony members calm while suppressing their ability to reproduce. A study published in Nature identified isopropyl myristate (IPM), a chemical present at much higher levels [...] The post Queen’s scent keeps naked mole-rat colonies peaceful, infertile, study finds first appeared on Dailynewsegypt .