A new study is challenging one of neuroscience’s most enduring ideas: that the brain’s reward system exists to make us feel good. Instead, researchers argue that it is built to optimize energy.

Employers who have introduced team-based rewards systems to foster creativity, collaboration, productivity and sales may want to look again at a system that new research shows can create an unintended ...

Imagine opening a difficult book in a quiet room. The first page is dense. You read one paragraph, then reread it. Nothing ...