A long-disputed rule in biology says bigger is better, but a new computer model illuminates why that’s not necessarily true. By Lauren Leffer Published Jan 18, 2024 11:45 AM EST Get the Popular ...

Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy straightforward explanation. From the jut of the human chin to the curve of the outer ...

A consensus has emerged in recent years that psychotherapies—in particular, cognitive behavioral therapy (CBT)—rate comparably to medications such as Prozac and Lexapro as treatments for depression.

In a red-in-tooth-and-claw natural world, where self-interest seems to be a form of fitness, how does altruistic behavior arise? It's a fascinating question, and one that has been particularly ...

Researchers offer a new evolutionary explanation for the familiar scenario in which women bring a sweater into work, while their male counterparts feel comfortable wearing short sleeves in an ...

The evolution of the so-called Dread Risk response has been explained by new scientific research. People often respond to low-probability, high-consequence events ...

One of the big unsolved mysteries in evolutionary theory is why creatures are altruistic. Selflessness doesn’t seem to be one of those qualities that ensure survival of a bloodline, since, by ...

Randolph Nesse, MD, is a research professor of life sciences at Arizona State University. For more about evolutionary medicine, see the International Society for Evolution, Medicine and Public Health.

A loving relationship can be an oasis in uncertain times, but nurturing it requires attention, honesty, openness, vulnerability, and gratitude. This blog entry is about one of my many pet peeves.