Graph theory is moving from textbooks to traffic lights, powering smarter transportation networks worldwide. From retail deliveries to freight corridors and urban commuting, it helps planners cut ...
Correspondence to Dr H Paul Dijkstra, Sports Medicine Department, ASPETAR, QATAR Orthopaedic and Sports Medicine Hospital, PO Box 29222, Doha, Qatar; paul.dijkstra{at}aspetar.com Illness or injury ...