University of Pennsylvania, Author Profile

Small Horned Dinosaur from China, a Triceratops Relative, Walked on Two Feet

July 15, 2019

With fossils from more than 80 individual dinosaurs, Auroraceratops rugosus, an early horned dinosaur, is one of the best rep...

A New Drug Target for Chemically Induced Parkinson's Disease

June 24, 2019

Researchers believe an enzyme targeted to the neuronal mitochondria may be responsible for converting compounds from alcohol,...

A New Study Reveals 'Hidden' Phases of Matter through the Power of Light

June 14, 2019

Researchers' work opens the door to creating materials where one can turn on and off properties in a trillionth of a sec...

An Army of Micro-Robots Can Wipe out Dental Plaque

April 26, 2019

A swarm of micro-robots, directed by magnets, can break apart and remove dental biofilm, or plaque, from a tooth

When Green 'Fixes' Actually Increase the Carbon Footprint

March 12, 2019

When tech companies move in, they often encourage a sustainability mindset, but can lead to gentrification and stable or high...

Newly Discovered Gene Governs the Need for Slumber When Sick

February 7, 2019

A study of fruit flies finds a direct link between illness and the need for more sleep

'Metallic Wood’ Has Strength of Titanium, Density of Water

January 29, 2019

Engineers have built a sheet of nickel with nanoscale pores that make it as strong as titanium but four to five times li...

Thoughts from a Medical Ethicist on Gene Editing Babies

January 2, 2019

Since it started making headlines five years ago, then gene-editing technology CRISPR has been controversial

Analyzing Roadside Dust to Identify Potential Health Concerns

September 10, 2018

Findings from studies of traffic-related abrasion particles point to tires, brake pads, and road materials as significant sou...

'Antifreeze' Molecules May Stop and Reverse Damage from Brain Injuries

June 22, 2018

Penn researchers uncover role of N-acetylaspartate, a molecule that controls amyloid build-up

Engineers Make Drug Microparticles a Thousand Times Faster Than Ever Before

May 10, 2018

Scaling up microfluidic systems has been a major challenge, as they depend on tightly controlled flow rates to produce partic...

Injectable Gel That Helps Heart Muscle Regenerate After Heart Attack

December 11, 2017

An injectable gel that slowly releases microRNAs into the heart muscle could help restart replication in existing contractile...

New Discoveries in Which Brain Region Motivates Behavior Change

October 26, 2017

Motivation to change your behavior can be linked to neurons in the posterior cingulate cortex region of the brain that ramp u...

How Seemingly Acute Viral Infections Can Persist

October 6, 2017

New findings from the University of Pennsylvania suggest a mechanism that may explain how viruses can linger

Invasive Sedge Protects Dunes Better Than Native Grass, Study Finds

January 26, 2017

With a warming climate battering the coast with more severe storms, the research suggests that, to protect coastal communitie...