"Kissing might be a taste test."

University of California, Los Angeles, associate professor of psychology Martie G. Haselton, PhD, explaining how molecules in our saliva may offer genetic compatibility clues to potential mates. The Times Online, Feb. 10

"Global warming has added an extra layer of anxiety to what people are already feeling."

Sandy L. Shulmire, PsyD, of Portland, Ore., who works with patients to address their concerns about the planet's future. The New York Times, Feb. 16

"Women look in the mirror and they focus on the imperfections. Guys look in the mirror and say, 'Not bad.'"

Alice Domar, PhD, on helping women to ease up the pressure they put on themselves.The Boston Globe, Feb. 25

"What happens when people retire, they don't know how to talk to each other. Their lives have been a to-do list."

John M. Gottman, PhD, of the University of Washington, discussing the need for long-married couples to work on their relationships.The Washington Post, Jan. 29