L’ORIGINE DELLE SPECIE

Tutti noi conosciamo, abbiamo studiato a scuola o, per lo meno, abbiamo sentito parlare della Teoria della selezione naturale di Charles Darwin ma quanti possono dire di averla capita a fondo o di ricordarsela? Vediamo di fare un piccolo riassunto di quel voluminoso e quanto mai rivoluzionario testo “L’origine delle…

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GIVE ME FIVE

The hand is an extraordinary appendix, but is not exclusive to human: we share it with all the primates, but also with bats, cats, frogs and even dolphins. Charles Darwin pointed out this strange coincidence in his The Origin of Species. “What’s more unique,” he wrote, “that the hand of…

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THE TREE OF LIFE

The modern biological science considers the theory of common descent as a fact: all forms of life on Earth are descended from a common ancestor (tree of life). This conclusion is based on the fact that many features of living organisms, such as the genetic code, seemingly arbitrary, are shared…

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