Dr. Fatih Birol, executive director of the International Energy Agency, calls for investment in Africa’s energy sources.

Researchers are still figuring out how people define well-being across countries and cultures. Happiness is a factor, but ...

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At its core, problem-solving is about understanding the challenge, designing a solution and ensuring its effective execution.

That year, French mathematician Évariste Galois finally illustrated why this was such a problem—the underlying mathematical ...

Work to convert the former Quality Inn to supportive housing averted a problem when an inspection found that electric lines ...

In an unusual twist in the governor’s race, a wealthy Democratic businessman is suing former Los Angeles Mayor Antonio ...