The genus Grouvellinus Champion, 1923 comprises 60 described species distributed across the Oriental and Palearctic regions.Species diversity is very high in mainland China, with 28 recorded species.Here, the results of the aquatic beetle survey in Guizhou Province are presented; they began in 2021, when we collected more than 5000 specimens of rif
Bottle Stopper Background: Shark cartilage has been considered as a natural anti-angiogenesis material in traditional medicine since long ago, and a broad range of biological functions such as inhibition of endothelial cell adhesion, proliferation, migration and digestion of the extracellular matrix has been reported for it.Because of its widesprea
Mechanical stability criteria are able to explain balance and robustness during simple motions, however, humans have learned many complex balancing tasks for which science lacks a thorough understanding.In Patty Presses this work, we analyzed slackline balancing to define general balance performance indicators.The goal is to not only measure slackl