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</html><description>El 27 de diciembre de 1831 Charles Darwin part&#xED;a en la HMS Beagle para su periplo alrededor del mundo que durar&#xED;a 5 a&#xF1;os, hasta el 2 de octubre de 1836. Fruto de ese viaje result&#xF3; el maravilloso libro El origen de las especies, en el que Darwin expuso la teor&#xED;a de la evoluci&#xF3;n. Darwin dec&#xED;a en el pr&#xF3;logo: &#x201C;As many more individuals of each species are born than can possibly survive; and as, consequently, there is a frequently recurring struggle for existence, it follows that any being, if it vary however slightly in any manner profitable to itself, under the&#x2026;</description><thumbnail_url>http://www.madrimasd.org/blogs/matematicas/files/2018/04/Paradoxides_davidis-212x300.jpg</thumbnail_url></oembed>
