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, ...

Archaeologists hunting for a sacred well beneath the ancient Maya city of Chichén Itzá on Mexico’s Yucatán Peninsula have accidentally discovered a trove of more than 150 ritual objects—untouched for ...

The semicircular waterfall at the heart of this site is some 80 m high and 2,700 m in diameter and is situated on a basaltic line spanning the border between Argentina and Brazil. Made up of many ...

Dharwad: Shortage of students' hostels run by the social welfare department and backward classes and minorities (BCM) department across the state, particularly in districts which are known as ...

We may earn commission from links on this page, but we only recommend products we love. Promise. For reference, I cut my bob two summers ago, and aside from a brief stint where I tried and failed to ...