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¿Por qué un científico como Darwin, autor de la teoría que revolucionó la Biología y la manera de considerarnos a nosotros mismos, se interesó por las lombrices?, ¿qué tienen de extraordinario para que atrajeran la atención del sabio inglés? A través de las páginas de esta obra, el lector podrá comprobar la dedicación con la que Darwin las estudió, como responsables de la formación del mantillo, una investigación que decidió publicar en forma de libro para, entre otras razones, hacerles ver a los seres humanos la importancia de toda criatura, por minúscula que sea. Consideradas como una plaga para las plantas por los granjeros europeos de la época, esta obra cambió radicalmente esta visión. Y, además, se aprecia cómo Darwin, de forma velada, quiere mostrar que la acción continua y gradual de las lombrices para formar el mantillo y enterrar piedras y ruinas era un elemento más de apoyo al argumento evolutivo de que, con suficiente tiempo, los cambios graduales pueden producir cambios muy grandes. Como todas las obras de Darwin, su lectura no sólo resultará entretenida, sino que servirá de estímulo para futuras investigaciones.
CHARLES DARWIN
El naturalista inglés Charles Darwin estudió medicina en la Universidad de Edimburgo y biología en la Universidad de Cambridge. De 1831 a 1836 realizó un viaje por América del Sur y las islas del Pacífico a bordo del Beagle. Sus descubrimientos zoológicos y geológicos a partir de esta exploración constituyeron la base de sus teorías de la evolución. Además de El origen de las especies (1859), escribió otras muchas obras de gran relevancia, como Variación de las plantas ylos animales en estado doméstico (1868) y El origen del hombre y de la selección en relación al sexo (1871).
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