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Penn historian explores how birds posed threat to power grids

Penn historian explores how birds posed threat to power grids

The 1920s were still relatively early in the days of widespread access to electric power. The high-voltage lines carrying electricity from hydroelectric dams in the Sierra Nevada to consumers in Los Angeles were considered a magnificent feat of technological innovation, yet this massive and expensive system quickly came under threat from an unexpected source: bird poop.

Katherine Unger Baillie

A center for innovation at Penn

A center for innovation at Penn

First there were working dogs and flying robots. Now, Penn hopes to draw a new generation of innovators and entrepreneurs to a 23-acre parcel of land along the southern bank of the Schuylkill River.
Penn researcher developing new treatments for neglected tropical disease

Penn researcher developing new treatments for neglected tropical disease

Leishmaniasis is far from a household word in the United States, but in the tropics, this disease affects roughly 12 million people, with about 2 million new cases every year. The cutaneous form causes unsightly skin ulcers that take months or even years to heal, and can cause major tissue damage.

Katherine Unger Baillie

Summer jams for all ages at Morris Arboretum

Summer jams for all ages at Morris Arboretum

The sounds of birds singing, crickets chirping, and insects buzzing are back at the Morris Arboretum. And soon, music will fill the air, as well.

Jeanne Leong

Penn joins two projects on medical cyber-physical systems

Penn joins two projects on medical cyber-physical systems

Two teams from the School of Engineering and Applied Science are participating in a pair of National Science Foundation (NSF) projects designed to advance cyber­physical systems with medical applications.

Evan Lerner

Penn transportation expert weighs in on Amtrak accident

Penn transportation expert weighs in on Amtrak accident

When Amtrak 188 derailed in the Port Richmond section of Philadelphia on May 12, eight people died and more than 200 were injured. The official investigation into the accident is still ongoing, but the train’s 106 mile-per-hour speed—more than double the limit for the curved section of track it derailed on—is widely assumed to be the prime factor.   

Evan Lerner