The families of many athletes – incensed at the sports leagues and hoping to make games safer overall – are increasingly making the brains of players who die prematurely and suspiciously available for study. Some athletes are even making the bequest themselves.

The families of many athletes – incensed at the sports leagues and hoping to make games safer overall – are increasingly making the brains of players who die prematurely and suspiciously available for study. Some athletes are even making the bequest themselves.

Science has yet to isolate the Godiva Chocolate or Prada gene but that doesn't mean your weakness for pricey swag isn't woven into your DNA. According to a new study of identical twins it's less TV ads or Labor Day sales that make you buy the things you do than the tastes and temperaments that are already part of you at birth.

Science has yet to isolate the Godiva Chocolate or Prada gene but that doesn't mean your weakness for pricey swag isn't woven into your DNA. According to a new study of identical twins it's less TV ads or Labor Day sales that make you buy the things you do than the tastes and temperaments that are already part of you at birth.

More and more NFL players have been willing their bodies to science so that their brains can be studied even if they die of other causes.

More and more NFL players have been willing their bodies to science so that their brains can be studied even if they die of other causes.

Since narcissism is fueled by a greater need to be admired than to be liked psychologists might use that fact as a therapeutic lever – stressing to patients that being known as a narcissist will actually cause them to lose the respect and social status they crave.

Since narcissism is fueled by a greater need to be admired than to be liked psychologists might use that fact as a therapeutic lever – stressing to patients that being known as a narcissist will actually cause them to lose the respect and social status they crave.

Marriage is a lot of things – a source of love security the joy of children but it's also an interpersonal battlefield and it's not hard to see why: Take two disparate people toss them together in often-confined quarters add the stresses of money and kids – now lather rinse repeat for the rest of your natural life. What could go wrong?

Marriage is a lot of things – a source of love security the joy of children but it's also an interpersonal battlefield and it's not hard to see why: Take two disparate people toss them together in often-confined quarters add the stresses of money and kids – now lather rinse repeat for the rest of your natural life. What could go wrong?

We're learning how important it is both to preserve sibling relationships if they work and repair them if they're broken. We're also learning a lot about nonliteral siblings – stepsiblings half-siblings – and the surprising power they can have.

We're learning how important it is both to preserve sibling relationships if they work and repair them if they're broken. We're also learning a lot about nonliteral siblings – stepsiblings half-siblings – and the surprising power they can have.

The mind of the polyglot is a very particular thing and scientists are only beginning to look closely at how acquiring a second language influences learning behavior and the very structure of the brain itself.

The mind of the polyglot is a very particular thing and scientists are only beginning to look closely at how acquiring a second language influences learning behavior and the very structure of the brain itself.

Psychopaths know the technical difference between right and wrong – which is one of the reasons their insanity pleas in criminal cases so rarely succeed they just fail to act on that knowledge.

Psychopaths know the technical difference between right and wrong – which is one of the reasons their insanity pleas in criminal cases so rarely succeed they just fail to act on that knowledge.

In both children and adults there can be a hard-to-deny link between a robust sense of hope and either work productivity or academic achievement.

In both children and adults there can be a hard-to-deny link between a robust sense of hope and either work productivity or academic achievement.

There's only one thing harder than living in a home with an adolescent – and that's being an adolescent. The moodiness the volatility the wholesale lack of impulse control all would be close to clinical conditions if they occurred at another point in life. In adolescence they're just part of the behavioral portfolio.

There's only one thing harder than living in a home with an adolescent – and that's being an adolescent. The moodiness the volatility the wholesale lack of impulse control all would be close to clinical conditions if they occurred at another point in life. In adolescence they're just part of the behavioral portfolio.

Spare a thought for the poor introverts among us. In a world of party animals and glad-handers they're the ones who stand by the punch bowl. In a world of mixers and pub crawls they prefer to stay home with a book. Everywhere around them cell phones ring and e-mails chime and they just want a little quiet.

Spare a thought for the poor introverts among us. In a world of party animals and glad-handers they're the ones who stand by the punch bowl. In a world of mixers and pub crawls they prefer to stay home with a book. Everywhere around them cell phones ring and e-mails chime and they just want a little quiet.