Observations in drying out pans showed that small (26-37 cm) sharptooth catfish (Clarias gariepinus) DC Power can hide at the bottom of small pools filled with sticky mud whereas larger fish stay afloat at the surface in larger pools with sloppy mud, where they easily become prey or succumb to heat stress.The inability of larger fish to keep down i
This article derives some morals from the examination of the physico-mathematical view of scientific laws and its place in the current debate.After revisiting the expression scientific law, which appears in scientific practice under various names (laws, principles, equations, symmetries, and postulates), I briefly assess two extreme, opposite posit
This is the first taxonomic study of cirratulid polychaetes of the genus Kirkegaardia Blake, 2016 from Brazil.Nine new species of the genus are described from the Southern Brazilian coast (50-3000 m deep).The genus Kirkegaardia is generally subdivided into three distinct groups of species (Kirkegaardia dorsobranchialis-heterochaeta, Kirkegaardia ba
Background: Medical students are already under extreme academic pressure which causes disruption in their sleep patterns.Due to the COVID-19 pandemic, though they have been relieved of their hectic schedules this has also led to complete lack of hands-on training and bedside clinical teaching which might have given rise to increased anxiety in this