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The Shocking Truth About Married GirlsWhy does marriage at a young age bother us so much in Western culture?
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Human Rituals: The Punctuation Marks of LifeRituals are important worldwide, and they help us move through life's big transitions.
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Dad: More than Just a Guy with SpermBiology has underestimated the role of fathers in making babies. Society has too, especially when it comes to child-rearing. That should change.
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Fair Trade: What We Know That Chimps Don'tHumans might be the only primates that truly understand the value of a good trade.
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How Evolution Could Sink (or Save) GMCapitalism is like evolution by natural selection, and it can be harsh.
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Why We'll Always Fear SnakesMy daughter has a snake, a tiny 8-inch-long, innocuous corn snake, and I hate that thing.
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Why 'Ida' Inspires Navel-Gazing at Our AncestryThe mishmash of features in a new primate fossil reminds us that the story of our past might be more complicated than we think.
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Lessons from Earth's Most Murderous PeopleThere are still plenty of hunters and gatherers living in the world.
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Let's Hold Hands: Why Viruses Love HumansThe instruction from public health officials to keep away from others to stop the spread of the swine flu is a tough one for us primates.
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Donated Vaccines Could Save 2.5 Million Quiet Little LivesNo death is more painful, more poignant, more of a waste, than the death of a child. In Rwanda, swine flu isn't the big culprit.
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Denial Can Bring Marital BlissIs long-term love possible? It all has to do with perceptions.
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Key to Happiness: Location, Location, LocationPeople who live on, say, Hawaiian beaches have fewer bouts of emotional problems than people who live in the hollows of Appalachia.
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Losing It: Why Self-Control Is Not NaturalIt takes a lot to live with people day after day and not kill them.
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Single Parents: Not What Nature IntendedWhy does it unsettle us to see one person go it alone as a parent?
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Teen Leaders More Likely to Have Kids LaterLeadership and overachievement might be a good predictor of which kids will go on to become parents.
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Gifts Burden Men, Gladden WomenGratitude when receiving a gift is, apparently, a typical response for a woman. For men, they feel obligation.
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Bad Biology: Girls Should Not Get PregnantU.S. women often delay marriage to jump-start careers, but in other countries, women tend to marry young, sometimes too young.
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Secret Birth Control Method: The Welcome Dance of the UterusThe uterus plays a role in make sure sperm are in the right place at the right time.
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Disgust Makes Us Truly Sick"You make me sick" —this metaphor for disapproval can also be very real disgust.
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Why New Mothers Need Extra AttentionChildcare is fraught with difficulty, and women navigate tough choices as they try to breast-feed and bring up a child.
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The Romantic Evolution of True LoveAre humans really naturally pair-bonded, that is, designed to court and mate one person 'til death do us part?
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Love Makes Kids SmarterFor some odd reason, it takes constant reminders that we primates need nurturing.
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8 Is Enough: The Limits to Human ReproductionIt's great those octuplets are here and healthy, but really, humans aren't designed to have litters.
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Why Did Humans Migrate to the Americas?Human migration is much more complex than we might think, genetic evidence suggests.
