War, pandemic and sluggish markets hit the world’s billionaires this year. There are 2,668 of them on Forbes’ 36th-annual ranking of the planet’s richest people—87 fewer than a year ago. They’re worth ...

A problem is defined as an unwelcome or harmful situation that is to be dealt with or overcome. [1] From a cognitive neuroscience perspective, a situation is not a problem unless one thinks he or she ...

When complex, high-level systems exhibit erratic, chaotic behavior, check the absolute base layer like cables or power supply ...