Upper extremity surgery is commonly performed under regional anesthesia.The advent of ultrasonography has made performing upper extremity nerve blocks relatively easy with a high degree of reliability.The proximal approaches to brachial plexus block such as supraclavicular plexus block, infraclavicular plexus block, or the axillary block are favore

The artificial intelligence program AlphaFold 2 is revolutionizing the field read more of protein structure determination as it accurately predicts the 3D structure of two thirds of the human proteome.Its predictions can be used directly as structural models or indirectly as aids for experimental structure determination using X-ray crystallography,

Water is the basis of the existence of all kinds of life, so obtaining it with good quality represents a challenge to human existence and development especially in the desert and remote cities because these areas contain small populations and water purification requires great materials and huge amounts of fossil fuels resulting pollution of the env

This short piece explores the radical potential of utopia to imagine alternative futures from within the context of environmental crisis.It presents utopia as an ecological practice that offers johnny cash style clothing the potential to reimagine the relationship between humanity and nature as we face up to climate crisis.It challenges ecocritics

David Baron1, Samir AbolMagd2, Salwa Erfan2, Mona El Rakhawy21Temple University School of Medicine, Philadelphia, PA, USA; 2University of Cairo School of Medicine, Cairo, EgyptAbstract: Drug addicts often come from dysfunctional families.The prevailing view in the literature is that mothers of drug-dependent patients can be characterized by strong