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, ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...

Zoomex offers seamless access to crypto without requiring KYC, with advanced market-making, low-latency futures trading, and more.

Background A 55-year-old male was diagnosed with poorly differentiated thyroid cancer after total thyroidectomy, which was performed because of progressive enlargement of a dominant thyroid nodule. He ...

Brand differentiation is paramount in a competitive market where countless brands vie for consumers' attention. Learn more on the design blog. Listen up. Every business owner thinks they're special, ...