Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

Clay masks are at-home or in-office skin treatments made from naturally occurring clay. They are thought to improve your skin's texture and tone, absorb oil, and help manage acne, but research is ...

Physics Department, Moscow State University, Leninsky Gory, Moscow 119992, Russia, and Department of Chemistry, Materials and Chemical Engineering, Polytechnic of Milan, “G. Natta” Via L. Mancinelli 7 ...

Pandora is having a huge Cyber Monday sale — 15 best deals, according to an editor who owns a lot of Pandora (Photos via Kayla Kuefler). Every year, I like to treat myself to a new piece of jewelry.