Scientists have discovered that the small, brave act of cooperating with another person, of choosing trust over cynicism, generosity over selfishness, makes the brain light up with quiet joy.

Natalie Angier (1958 CE-), Natalie Angier is an American nonfiction writer and a science journalist for The New York Times. Her awards include the Pulitzer Prize for Beat Reporting in 1991 and the AAAS Westinghouse Science Journalism Award in 1992. She is also noted for her public identification as an atheist and received the Freedom from Religion Foundation's Emperor Has No Clothes Award in 2003.