Research on postmen's testicle warmth wins Ig Nobel - BBC News
Research on postmen's testicle warmth wins Ig Nobel - BBC News Fertility experts find that the left testicle is warmer, but only when a man has his clothes on.postman testicleLINK
Research on postmen's testicle warmth wins Ig Nobel - BBC News Fertility experts find that the left testicle is warmer, but only when a man has his clothes on.postman testicleLINK