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, ...

To help relieve dry skin, dermatologists offer these tips. Dry skin can flake, itch, crack, and even bleed. These tips from board-certified dermatologists can help you heal excessively dry skin at ...

Trump signals backing of direct $1,500 payments for millions of Americans 2 huge earthquakes strike within days. Is it a warning? While Trump got the 'FIFA Peace Prize,' something truly great happened ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

Graphic design is everywhere. From the logos on your favourite products to the fonts and colours used by your go-to websites, graphic designers shape our visual world. Mastering graphic design unlocks ...

As a brand consultant who has spent 20 years building real-world brands, I'm exhausted by the hype. Every day, a new tool promises to “design your entire brand with one click,” and entrepreneurs are, ...

Abstract: Ultrasound is widely used in engineering and biology for applications such as ultrasonic cleaning, cutting, and cancer treatment. Piezoelectric ultrasonic transducers are widely used to ...