The automaker is recalling more than half a million vehicles over variety issues. Here's how dealers are remedying the ...

This sacred site was one of the greatest Mayan centres of the Yucatán peninsula. Throughout its nearly 1,000-year history, different peoples have left their mark on the city. The Maya and Toltec ...

Abstract: Multi-hop relay is regarded as a promising and effective method to provide highly reliable communication service between the control center and the terminal under a fragile and unstable ...