Philadelphia’s Most Popular Plants
Pennsylvania boasts over 2,000 native species of trees, shrubs, flowers, and grasses. All are perfectly adapted to local climate conditions and help create a...
Plastic Recycling in Philadelphia
In the 21st century, Philadelphia is embracing many initiatives to recycle plastic and encourage residents to collect these materials. While plastic products are convenient...
Philadelphia’s Path to Clean Energy
Philadelphia, a city that for centuries was an engine of American industry fueled by coal and oil, is now undergoing a new energy revolution,...
Paul McNally: Astronomer, Scientist, and Jesuit Priest from Philadelphia
Philadelphia native Paul McNally was a true Renaissance man, keenly interested in both science and religion. He held administrative positions and participated in scientific...
A History of Gardening in Philadelphia
The Delaware River Valley and modern-day Philadelphia have a mild climate and fertile soil, making them ideal for growing plants. Indigenous tribes were practicing...
Penicillin to the Rescue: When Philadelphia Became the “World’s Pharmacy”
Few people realize that the era of mass penicillin production and its triumph during World War II are closely linked to the city of...
The Philadelphia Giant: How ENIAC Launched the Digital Age
The story of the first fully functional electronic digital computer, ENIAC (Electronic Numerical Integrator and Computer), is intimately tied to Philadelphia. It was here,...
How Benjamin Franklin “Reinvented” America
Benjamin Franklin (1706–1790) is much more than just a face on the hundred-dollar bill. In Philadelphia, the city where he spent most of his...