The travelling salesman problem (TSP) remains one of the most challenging NP‐hard problems in combinatorial optimisation, with significant implications for logistics, network design and route planning ...

Staying hydrated when you travel can be a challenge, particularly in places where tap water is unsafe or unavailable. Rather than reaching for a single-use plastic bottle and contributing to the world ...

4 STRANGER THINGS 5 and THE FIRST SHADOW Connections: What To Know 1949 Best Performance by an Actor in a Featured Role in a Play Arthur Kennedy Awards winner 1949 Best Play Arthur Miller Awards ...

Canadians are foregoing travel to America this year in response to strained US-Canada political relations (Credit: Getty Images) In recent years, one in four visitors to the US has been Canadian. But ...

Current political and economic issues succinctly explained. Sign up to receive CFR President Mike Froman’s analysis on the most important foreign policy story of the week, delivered to your inbox ...

Airfare can be one of the most expensive parts of traveling. Apps make it easy to track trends in fare prices, look for deals and book flights. Some apps are completely free to use while others may ...