The urachus is an embryologic remnant of the cloaca that usually Wax degenerates after birth, resulting from the obliteration of the allantois, whose role is to connect the bladder to the umbilicus.Incomplete removal of the lumen may give rise to different malformations of the median umbilical ligament after birth.Although in the pediatric populati

The palatal anatomy of ichthyosauriforms remains largely unknown.Here, the complete palate of the early-branching ichthyosauriform Chaohusaurus Baby Creams brevifemoralis is reconstructed and described for the first time with the assistance of high-resolution X-ray computed tomography (CT) scanning on the basis of the three-dimensionally preserved

Guqin is the Chinese oldest musical instrument and intangible cultural heritage.The Tang Dynasty was the most prosperous in Chinese history, with a pigiami per bambini flourishing culture.One of the Guqin manufactured by Master Lei Wei, a notable Guqin maker in the Tang Dynasty, was recognized as a reference standard instrument and is kept in the P

Sea turtles are a taxon of conservation concern and are highly migratory, exposing them to a variety of threats (e.g., fisheries bycatch, direct harvest) across their lifetime.Understanding the abundance of nesting females, hatchling production, and migratory movements - three of the most basic biological data needs for this species group - is impe

In our Galaxy, star formation occurs in a variety of environments, with a large fraction of stars formed in clusters hosting massive stars.OB stars have an important feedback on the evolution of protoplanetary disks orbiting around nearby young stars and likely on the process of planet formation occurring in them.The nearby massive association Cyg