Skip to Content Skip to Content

Psychology

A link between social environment and healthy brains in wild rhesus macaques
A small tannish colored monkey on a tree, eating a leaf, surrounded by leaves with branches. Blurred trees are in the background.

A team of researchers including Penn neuroscientist Michael Platt has been studying a colony of rhesus macaques on Cayo Santiago, a small Puerto Rican island, for more than a decade. (Image: Lauren Brent)

A link between social environment and healthy brains in wild rhesus macaques

Research from Penn, Arizona State University, the National Institute of Mental Health, and elsewhere finds that on the island of Cayo Santiago, female monkeys with a higher social status had younger, more resilient molecular profiles.

Michele W. Berger

What our twice-a-year shifts to the clock do to the body
Pattern of black retro alarm clocks show 2 o'clock and one shows 3 o'clock

What our twice-a-year shifts to the clock do to the body

Disruptions to sleep patterns and the body's circadian rhythms are a toll of the twice-a-year shifts between Daylight Saving Time and standard time, says sleep expert Philip Gehrman.

Katherine Unger Baillie