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
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
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
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
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