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Psychology

Abandoned house repairs reduced nearby gun violence
John MacDonald and Gina South in West Philly

John MacDonald of the Department of Criminology and Eugenia South of the Perelman School of Medicine.

Abandoned house repairs reduced nearby gun violence

Installing working windows and doors, cleaning trash, and weeding at abandoned houses led to safety improvements and should be considered in efforts to create healthy communities, according to researchers from University of Pennsylvania and Columbia.

Kelsey Geesler

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

Ten innovators shaping the future of health
Fortune

Ten innovators shaping the future of health

Katy Milkman of the Wharton School is lauded for co-founding the Behavior Change for Good initiative, which seeks to dramatically accelerate the development of interventions that work to change common human behaviors.

Boost your happiness in just three minutes a day—really
CNET

Boost your happiness in just three minutes a day—really

A study from Martin Seligman of the School of Arts & Sciences found that writing down three good things that happened each day leads to long-term increases in happiness and decreases in depressive symptoms.

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

Five steps to take to become a morning person
Time

Five steps to take to become a morning person

Philip Gehrman of the Perelman School of Medicine says that people’s internal clocks are 30-40% dependent on genetic factors.