Why do men talk and women gossip, and which is better for you? Why is monogamy a drain on the brain? And why should you be suspicious of someone who has more th

We are the product of our evolutionary history, and this history colors our everyday livesûfrom why we joke to the depth of our religious beliefs. In How Many

Do you feel stuck in life, not knowing how to make it more successful? Do you wish to become more popular? Are you craving to earn more? Do you wish to expand y

'Fascinating...In essence, the number and quality of our friendships may have a bigger influence on our happiness, health and mortality risk than anything else

Discover the unexpected ways friends influence our personalities, choices, emotions, and even physical health in this fun and compelling examination of friendsh