The AAAS selected five Penn professors from the School of Arts and Sciences, the Perelman School of Medicine, and the School ...
2hon MSN
The first documented circular-saw patent in an English-speaking country was granted in 1777, two years before Babbitt's birth ...
This spring will mark the Semiquincentennial — the 250th anniversary — of the events of April 19, 1775. On that day, the ...
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