The History of Heating in Philadelphia
Heating homes in Philadelphia and its surrounding areas has always been a pressing concern due to the frigid winters. Immediately after the city's founding,...
The history of the geographer from Philadelphia
He was a famous economist, sociologist and a rather erudite person. However, Walter Isard is best remembered for his special activity, which resulted in...
Life in Eco Style in Philadelphia
In 2021, according to WalletHub’s survey results, Philadelphia was ranked among the top 40 most eco-friendly cities in the U.S. This vibrant, active metropolis...
Gemstone Hunting in Pennsylvania: A Rich Treasure Trove
Pennsylvania boasts a rich and diverse array of gemstones. The state's hidden treasures attract enthusiasts from both private and commercial mining sectors. Here, you...
Pennsylvania’s Natural Gas Reserves
In the 2010s, Pennsylvania firmly established itself as the second-largest natural gas producer in the United States. By 2023, the state's total natural gas...
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...
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...
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...