Composite faces were used to see how easy it is to spot people with psychopathy, narcissism and Machiavellianism.

Here are the two traits astrologers say may reveal some bad habits or behavior patterns for each zodiac sign, and what to do about them. As far as traits to work on goes, Aries tends to be known ...

It wasn’t just today’s bodies that told the story. Ancient DNA backed it up. The researchers traced the variant through time.

The dihybrid cross: charting two different traits in a single breeding experiment Consider a cross between two parents that are heterozygous for both body color and eye color (BbEe x BbEe).

"The two variables that I've been finding that ... The combination of these characteristics creates psychological and economic vulnerabilities that fraudsters can expertly exploit.

But for Carolyn Daniels, a professor at Babson College and a serial entrepreneur herself,there really are two make-or-break traits for those considering launching a startup. And they aren't ...

Trait-specific self-reflections focused on how often participants compared themselves to others or their past selves in terms of two personality traits, namely extraversion and emotional stability.

Empathy and generosity are two traits that arguably make the world go ‘round. But a study suggests that the willingness to help collapses when people get too little — or poor — sleep.