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 ...

House Speaker Mike Johnson, R-La., attends a signing event for a bill blocking California's rule banning the sale of new gas-powered cars by 2035, in the East Room of the White House, Thursday, June ...

Betsy began her career in international finance and it has since grown into a comprehensive approach to journalism as she's been able to tap into that experience along with her time spent in academia ...