Un grupo de investigadores está utilizando un híbrido de gorrión, que ha evolucionado recientemente de un cruce entre dos especies de gorrión diferentes, para entender la genética que está detrás de la especiación.
It seems to me extraordinary that this continent, which exported the idea of representative government and parliamentary democracy, which carried the seeds of democracy to far continents where they found fertile soil, should now have taken the axe to the ancestral tree here in Europe. All of us are diminished by that process.cordis cordis