In algorithms, as in life, negativity can be a drag. Consider the problem of finding the shortest path between two points on a graph — a network of nodes connected by links, or edges. Often, these ...

A new paper uses open data to find trade-offs between the safest and shortest paths between two points.

Poets unflinchingly face the world in its complexity in Poetry on the Mainstage, part of the Frankfurt Book Fair where Canada is featured as the Guest of Honour.