Question sent by ELENA SOLBES. JORDI DE MANUEL answers: Milk is an extraordinary food. It contains almost all the necessary nutrients to live and grow, but after mammals wean, they lose the
And Why Is the Mediterranean Higher during the Winter? Question asked by FRANCESC AGUILAR I DOMENJÓ (Grau de Castelló). JOSEP L. PELEGRÍ answers: Both of our reader’s questions deal with sea tides,
Question sent by Víctor Marqués (València). ALBERT MASÓ answers: The statement is false. Instead of answering the question, we are going to explain the falseness of the implicit premise in the question.
Question sent by MARTA ARENAS (Valencia). GUILLEM PÉREZ I DE LANUZA answers: Certainly, birds do show a wider colour diversity than mammals. What’s more, colours in birds are brighter and more complex
Question sent by IRENE MAYOR SÁNCHEZ (La Vila Joiosa). DANIEL CLIMENT and ESTEVE SOLER answer: Tannins, complex substances inside the group of polyphenols that coagulate certain proteins, are responsible for the
Question sent by COCO BROSS (Buenos Aires). JOSEP ROS answers: Even though this is a widespread idea, the hemisphere in which the sink is does not univocally determine the direction of the