lunes, 27 de octubre de 2014

Should countries make vaccination compulsory?

Vaccination represents one of the most successful and effective interventions in medicine that protect people from numeorus diseases.

martes, 7 de octubre de 2014

The Sound of English

Learning English pronunciation can be a bit tricky, in particular if you have to deal with different accents. To help you getting started, here's a quick tutorial on some of the best-known accents of the British Isles.