Glenn Geher Ph.D.

The Israel/Palestine Crisis in Evolutionary Perspective

The Israeli/Palestinian Crisis is nothing short of a nightmare. Understanding our evolved ingroup/outgroup psychology can shed much light on this catastrophic situation.

The Israeli/Palestinian Crisis is nothing short of a nightmare. Understanding our evolved ingroup/outgroup psychology can shed much light on this catastrophic situation.

What Exactly Is Courage?

Courage is a universally valued trait. But what exactly is it? Recent research shows the psychological attributes that underlie the courageous personality.

Courage is a universally valued trait. But what exactly is it? Recent research shows the psychological attributes that underlie the courageous personality.

I Truly Hear You: Empathy in Intimate Relationships

The ability to appreciate that others may feel differently about things than we do and to actually feel things as others do sits at the core of successful relationships.

The ability to appreciate that others may feel differently about things than we do and to actually feel things as others do sits at the core of successful relationships.

Yes, Your Personality Could Change as You Get Older

The question of whether personality is malleable across life is age-old. Data from decades of research suggests that, in fact, personality change is quite possible.

The question of whether personality is malleable across life is age-old. Data from decades of research suggests that, in fact, personality change is quite possible.

Three Hurdles to Evolution Education

Darwin's remains are found in Westminster Abbey, alongside the likes of Queen Elizabeth I. In spite of being so respected, Darwin's ideas hardly make it into academia. Here's why.

Darwin's remains are found in Westminster Abbey, alongside the likes of Queen Elizabeth I. In spite of being so respected, Darwin's ideas hardly make it into academia. Here's why.

To Have and to Hold

Even the most generic wedding vows can be profoundly beautiful and full of wisdom. Further, the guts of all wedding vows can be elucidated by applying an evolutionary lens.

Even the most generic wedding vows can be profoundly beautiful and full of wisdom. Further, the guts of all wedding vows can be elucidated by applying an evolutionary lens.

What Exactly Does Social-Emotional Mean?

Behavioral scientists often use the term "social-emotional." Here's what that term means and why it matters.

Behavioral scientists often use the term "social-emotional." Here's what that term means and why it matters.

6 Tips and Reasons to Run a Marathon

Under ancestral conditions, humans often ran long distances out of necessity. These days, long-distance running is optional. Yet many of us partake. Here is what we get out of it.

Under ancestral conditions, humans often ran long distances out of necessity. These days, long-distance running is optional. Yet many of us partake. Here is what we get out of it.

12 Lessons From 12 Marathons

Under ancestral conditions, long-distance running was a required part of life. These days, it is fully optional—yet many of us do it. Here's what we get out of going the distance.

Under ancestral conditions, long-distance running was a required part of life. These days, it is fully optional—yet many of us do it. Here's what we get out of going the distance.

5 Things We Should All Try to Do Every Day

Life is hard. An evolutionary perspective on the human condition can help us think about what actually matters and help us build habits that can help us thrive.

Life is hard. An evolutionary perspective on the human condition can help us think about what actually matters and help us build habits that can help us thrive.