It was previously believed that the long-term persistent increase in the spin-down rate of the Crab pulsar following a glitch is direct evidence Discontinued of a starquake-induced glitch or at least related to a starquake.Using radio data covering 1710 days following the 2017 glitch, we obtain an extreme persistent increase of the spin-down rate,

Abstract With the rapid development of economy, the sharp increase in the number of urban cars and the backwardness of urban road construction lead to serious traffic congestion of urban roads.Many scholars have tried their best to solve this problem by predicting traffic congestion.Some traditional models such as linear models and nonlinear models

Abstract Background Despite being the gold standard of research to determine effectiveness, randomised controlled trials (RCTs) often struggle with participant recruitment, engagement and retention.These issues may be exacerbated when recruiting vulnerable populations, such as participants with mental health issues.We aimed to update understanding

This article demonstrates the medicinal usage of ginseng in the West from 1660 to 1914.Asian[Korea] ginseng was first introduced into England in the early 17th century, and North American ginseng was found in the early 18th century.Starting from the late 17th century doctors prescribed ginseng to cure many different kinds of ailments and disease su

Marine ornamental fish production is still in its infancy compared with its freshwater counterpart.About 1,800 wild-caught fish species are imported into the United States each year, clear proof of the need for the expansion of marine ornamental production to include new species and families of fish.The family Gobiidae is the fourth most Discontinu