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, ...
Fossil microorganisms older than 1.7 billion years are challenging to interpret due to their size, simple shapes, and alteration. Here, in 1.88 billion year old microfossils, the authors show a ...
Here we present melanic forms of ants belonging to the light-colored Neotropical species Heteroponera dolo (Ectatomminae) and Prionopelta punctulata (Amblyoponinae). We also discuss the intraspecific ...
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