In this challenge, gymnasts face the difficulty of underwater contortion. 'This is a mistake, President': Bill Ackman responds to Trump's call for a one-year 10% cap on credit card interest ...

In this challenge, banned contortion skills are put to the test again. ‘I’m furious’: Redrawn map sparks competitive race Gloria Allred questions Trump’s reasons for ending friendship with Epstein ...

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, ...