Serially cloned mice hit a genetic “dead end” by generation 58, underscoring that sex evolved for variation, purging harmful ...

Producing more chicks is not enough — producers must produce more high-quality chicks capable of strong early development and ...

From fish and turtles, to hippos and crocodiles, about 43% of all known large freshwater animal species have been ...

The dorsal raphe nucleus (DRN) serotonergic (5-HT) system has been implicated in regulating sleep and motor control; however, its specific role remains controversial. In this study, we found that ...

This Research Topic will showcase advances in non-animal toxicology that improve the mechanistic understanding and predictive assessment of chemical safety.