Study: Word sounds contain clues for language learners

(PhysOrg.com) -- Why do words sound the way they do? For over a century, it has been a central tenet of linguistic theory that there is a completely arbitrary relationship between how a word sounds and what it means.

Advance in chromosomal evolution in sea cradles

A chromosomal study performed in a common Mediterranean chiton (sea cradle) provides information, relevant to systematic relationships of the species; furthermore the comparison of its karyotype with ones in literature allows ...