Abstract: A circuit model of a metasurface antenna cover exhibiting absorption properties in a wide frequency band (1 to 11 GHz) and a transmission window around 5.5 GHz is developed to provide some ...

Ants use 'chemical warfare' to compel host workers to kill their own queen, reveals new research. Scientists have observed for the first time an invading ant queen using a chemical spray to compel ...

Abstract: Solving dynamic optimization problems is always a challenging task. For this purpose, heuristic and metaheuristic methods are the preferred ones, especially in the context of real-time ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

Nature can get downright brutal in the most unexpected ways—especially when parasites are involved. For the well-organized society of ants, some parasites are known to topple the existing social order ...