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A new book for children decodes one of humanity's biggest mysteries: How did we discover language?

An excerpt from ‘The Talking Book,’ by Jane De Suza.

Iowa Professors Say Students Must Be Educated About Artificial Intelligence

Three professors from Iowa’s public universities are working to raise awareness of the importance and contradictory nature of artificial intelligence in higher education, pointing to concerns about privacy, bias and academic integrity. The professors, speaking to the Board of Regents on June 14, pointed to the benefits and detriments of AI use in classrooms, as […]

Ultraconserved words point to deep language ancestry across Eurasia

The search for ever deeper relationships among the World’s languages is bedeviled by the fact that most words evolve too rapidly to preserve evidence of their ancestry beyond 5,000 to 9,000 y. On the other hand, quantitative modeling indicates that some “ultraconserved” words exist that might be used to find evidence for deep linguistic relationships beyond that time barrier. Here we use a statistical model, which takes into account the frequency with which words are used in common everyday speech, to predict the existence of a set of such highly conserved words among seven language families of Eurasia postulated to form a linguistic superfamily that evolved from a common ancestor around 15,000 y ago. We derive a dated phylogenetic tree of this proposed superfamily with a time-depth of ∼14,450 y, implying that some frequently used words have been retained in related forms since the end of the last ice age. Words used more than once per 1,000 in everyday speech were 7- to 10-tim

Todas as notas de acesso ao Ensino Superior 21/22

Researchers reconstruct major branches in the tree of language