Until now, the possibility of finding work was one of the main reasons why foreigners chose our country. It also happened in the case of Spaniards in transfers between provinces. However, since the crisis we move for other factors such as quality of life or weather conditions, according to a new study. In addition, the reasons vary between foreigners and natives.
In most societies, surnames are passed on from father to son, just like the Y chromosome. This suggests that men who share the same surnames may have Y chromosomes that are related to one another. A new study analyses this correlation in Spain and reveals that a large number of men who are bearers of the same unusual surnames are distant relatives.
Global population data spanning the years from 1900 to 2010 have enabled a research team from the Autonomous University of Madrid to predict that the number of people on Earth will stabilise around the middle of the century. The results, obtained with a model used by physicists, coincide with the UN’s downward forecasts.