We are all born with an innate understanding of interpersonal equity - the idea that if you lend me your rake today, I'll respond in kind when you come to borrow my shovel tomorrow. Or nearly all of us are… — Jeffrey Kluger Copy Share Image
Identical twins are ideal lab specimens for studying the difference between learned and inherited traits since they come from the womb preloaded with matching genetic operating systems. Any meaningful differences in their behaviors or personalities are thus likely to have… — Jeffrey Kluger Copy Share Image
You do not want to talk to me on the phone. How do I know? Because I don't want to talk to you on… — Jeffrey Kluger Copy Share Image
Overspending is as certain a part of the holiday season as overeating. But pushing away from both the table and the cash register at… — Jeffrey Kluger Copy Share Image
Certainly, people can get along without siblings. Single children do, and there are people who have irreparably estranged relationships with their siblings who live… — Jeffrey Kluger Copy Share Image
Marketers have long known that a name can make all the difference when you're trying to move the merch. The kiwifruit was once the… — Jeffrey Kluger Copy Share Image
Everybody loves to spend money at least some of the time - because everybody loves the stuff you can buy with it. The key… — Jeffrey Kluger Copy Share Image
Members of royal families are born into a world of indulgence and entitlement, and the princelings who grow up that way may never have… — Jeffrey Kluger Copy Share Image
Older fatherhood isn't all bad: testosterone rates drop about 1% per year as men age, making them less reactive and more patient, and a… — Jeffrey Kluger Copy Share Image
There may be no more-radioactive term in the English language than what we now almost always refer to as the 'n-word' - itself a… — Jeffrey Kluger Copy Share Image
At the root of the shy temperament is a deep fear of social judgment, one so severe it can sometimes be crippling. Introverted people… — Jeffrey Kluger Copy Share Image
As the National Football League and other pro sports increasingly reckon with the early dementia, mental health issues, suicides and even criminal behavior of… — Jeffrey Kluger Copy Share Image
