The evolution of hominin bipedalism in two steps Nature

A specialized, open-source, retrieval-augmented language model is introduced for answering scientific queries and synthesizing literature, the responses of which are shown to be preferred by human evaluations over expert-written answers.

Studying ancient sea creatures’ snoozing habits could shed light on the origins of sleep.

Nature - Nanotyrannus and Tyrannosaurus coexisted at the close of the Cretaceous