If your kid wants something cooler than a plain shoebox, these Valentine’s box ideas for boys are exactly what you're looking for! From monster trucks and dinosaurs to video games and sports, these ...

A breakthrough deal to attempt to limit global temperature rises was agreed at a conference of world nations in December 2015. These charts from the time show how and why the Earth’s climate is ...

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Abstract: Graph Convolutional Neural Networks (graph CNNs) have been widely used for graph data representation and semi-supervised learning tasks. However, existing graph CNNs generally use a fixed ...

Abstract: We investigate an energy-efficient elevating transfer vehicle routing problem (ETVRP), in which an elevating transfer vehicle (ETV) serves a multi-level freight handling system to transport ...