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

0

Question sent by JOSE GALÁN (Alacant). EDUARDO ROS answers: «Clouds are not spheres, mountains are not cones, coastlines are not circles, and bark is not smooth, nor does lightning travel a

0

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

0

Question sent by ROCÍO ROS (València). LYDIA GIMÉNEZ-LLORT answers: Even though it is a feature all vertebrates share —from the fetus stage to old age—, and in spite of the curiosity this

0
Why Are Ants Capable of Carrying Much More than Their Own Weight?

Question sent by CRISTÓBAL HERRERO (Màlaga). SERGIO MONTAGUD answers: This is a very interesting question. However, in spite of how fascinating its answer may be, I think this question brings about another

0
Why do they say it is healthy to drink a glass of wine a day?

Question sent by Tomàs Ferrer (Castelló). LUIS TORRES answers: We have evidence of wine consumption, especially red wine, preventing us from suffering coronary heart diseases or even preventing cancer, since 1992.

0
Do frozen and pasteurised yogurts lose their beneficial properties?

Eating yogurt every now and then is healthy due to the lactic ferments that help our bacterial flora, especially when they are alive. But, don't these lactic ferments die in

0
Why is giving birth so painful for women?

The pain women feel when giving birth is a very intense one when compared to the pain females from other species feel. Why is this so? Question sent by ENRIC CABRERA

0
Do engineered diseases actually exist?

Conspiracy theories claim that the HIV was manufactured in a laboratory

0
Why do our hands burn when we touch ice?

Question sent by RAQUEL RUBIO (València). EDUARDO MARTÍNEZ TAMAYO answers: The burning sensation we feel when we touch some objects at low temperatures, and also the damages produced, are very similar to

0
Why do men have nipples?

Question sent by ALONSO SÁNCHEZ POLO. PAU CARAZO answers: Until the onset of puberty, when feminine hormone release triggers the development of breasts in women, the development of mammary glands happens

0
Why do snails get together in big clusters in the summer?

Question sent by JOSEP MONFORT (Castellón). ALBERTO MARTÍNEZ-ORTÍ answers: The formation of these clusters, sometimes formed with many specimina, also called "grappes", is a strategy land snails use to fight the

0
Why is tinfoil not burning when taken out of the oven?

Question sent by REMEI CALABUIG (Albaida, Valencia). EDUARDO MARTÍNEZ answers: The burning sensation is a sensory reaction to a process of heat transfer from a heat source —whether a piece of

0
Why do fish have nostrils if they can’t smell in the water?

Question sent by NURIA MARCO (Valencia). ESTER DESFILIS answers: Although it may seem strange, fish can smell and, actually, they have a very good sense of smell. Many people think that

0
Why does milk overflow when it boils while water doesn’t?

Question sent by JORDI PORTAVELLA (La Garriga, Barcelona). FERNANDO SAPIÑA answers: Dear Jordi, Milk is a fluid segregated by the female mammary glands of the mammals. It is the only food

0
Do these beetles have oral sex?

By the window of a country house I found two celeoptera performing an incomprehensible dance for me: the female was licking the tip of the male's elytra  (the picture shows

0
Why are the days of the week ordered the way they are?

Taking into account that each day of the week is dedicated to a wandering star easily visible, why is the order Moon - Mars - Mercury - Jupiter - Venus

0
What does an air carnation live on?

Question sent by ALBA CERVERÓ (Valencia). ISABEL MATEU answers: Air carnations belong to the botanic genus of Tillandsia from the family of Bromiliceae, to which the tropical pineapple also belongs, that

0
1 2 3 4