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Why even impartial judges can seem biased

Why even impartial judges can seem biased

Penn Carey Law professor Leo Katz explains how the selection effect and judicial strategy can make merit-based rulings look indistinguishable from politically motivated or random decisions.

From Penn Carey Law

2 min. read

A massive chunk of ice, a new laser, and new information on sea-level rise
A researcher walking through a glacier in Greenland.

nocred

A massive chunk of ice, a new laser, and new information on sea-level rise

For nearly a decade, Leigh Stearns and collaborators aimed a laser scanner system at Greenland’s Helheim Glacier. Their long-running survey reveals that Helheim’s massive calving events don’t behave the way scientists once thought, reframing how ice loss contributes to sea-level rise.

5 min. read

A ‘Rosetta stone’ for molecular systems
Prashant Purohit (left) and Penn Engineering’s Celia Reina (right) in front of a whiteboard.

Penn Engineering’s Prashant Purohit (left) and Celia Reina.

(Image: Bella Ciervo)

A ‘Rosetta stone’ for molecular systems

Penn Engineering’s Prashant Purohit (left) and Celia Reina (right), in collaboration with recent doctoral graduate Travis Leadbetter, have spent years developing a mathematical “Rosetta stone” that can translate molecular movements into predictions of larger effects.

Ian Scheffler

2 min. read

A road map to reduce firearm harms by 2040
Six people stand on a set of parallel, converging arrows, illustrating the concept of collaboration or moving forward together.

Image: mathisworks/DigitalVision Vectors via Getty Images

A road map to reduce firearm harms by 2040

Three Penn faculty members are among more than 40 experts to author a report addressing the persistent challenge of gun violence and proposing solutions stemming from a JAMA Summit convened last spring.

2 min. read

What evolutionary and comparative immunology can teach about fish and human immune systems
Oriol Sunyer in his lab.

Penn Vet’s Oriol Sunyer points out rainbow trout, a fish species used in his research.

(Image: Courtesy of Penn Vet)

What evolutionary and comparative immunology can teach about fish and human immune systems

Penn Vet’s J. Oriol Sunyer explores how studying the evolution of the immune system reveals surprising connections between fish and human immunity, and what these discoveries could mean for the development of new therapies for both fish and humans.

Martin Hackett

2 min. read

Mapping the links between brain development and mental health
Sheet of a child’s brain scans.

A collaborative team led by Theodore D. Satterthwaite, Golia Shafiei, and Michael P. Milham has developed a large-scale, open data resource for mapping brain development and its associations with mental health.

(Image: fmajor via Getty Images)

Mapping the links between brain development and mental health

A new large-scale, open data resource from the Perelman School of Medicine and collaborators helps researchers link brain development with mental health disorders.

3 min. read

How has talking about politics changed in the last quarter-century?
Two people speaking in a government building.

Americans are having more political conversations than they were 24 years ago, and are more likely to be talking with people they agree with politically, Penn researcher Diana C. Mutz finds.

(Image: Hill Street Studios via Getty Images)

How has talking about politics changed in the last quarter-century?

Penn researcher Diana Mutz finds that we’re having more political conversations now with like-minded people, and that political intolerance has increased as a result.

2 min. read

Clock changes disrupt sleep, health, and well-being
A person turning back a clock superimposed over a profile of a head and day and night icons.

Image: Rudzhan Nagiev via Getty Images

Clock changes disrupt sleep, health, and well-being

Indira Gurubhagavatula of the Perelman School of Medicine explains how seasonal time changes affect the body’s internal clock, and offers tips for an easier transition.

3 min. read