Biologists fut coins Andrei Seluanov and Vera Gorbunova from theUniversity of Rochester were building upon researchthey did last year that found blind mole rats hadcells that were extremely sensitive to overcrowding. Effectively, aprotein switch caused cancer cells to kill themselves beyond adozen or so multiplications, stopping any tumours forming.



That study looked at two species of blind mole rat, but thislatest study…