Think “poinsettia” and you think “Christmas,” right? Well, think again. At the time of the first Christmas, the closest poinsettia to the little town of Bethlehem was 8,000 miles away, clinging to ...

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, ...

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Ahuitzotl was a tlatoani (meaning ‘speaker’) of the city of Tenochtitlan, and the eighth ruler of the Aztec Empire. This emperor reigned from 1486 AD to 1502 AD, a period which is regarded by some ...

Get the inside scoop on how colleges assess your high school and its course rigor. Featuring a former Admissions Officer, you'll gain crucial insights and actionable strategies during this 60-min ...

Archaeologists in Mexico have excavated a 16th-century Aztec altar surrounded by sacred artifacts. While abstract trinkets and incense burners reflected the structure of the cosmos, a giant clay jar ...