On July 18, 1870, the First Vatican Council passed the constitution Pastor Aeternus, which proclaimed and defined papal infallibility. The Pope, the constitution stated, possesses “full and supreme power of jurisdiction over the whole church” and when he speaks “in...
Historians and philosophers of science (but few scientists) have noticed that the rules of science change. This change can occur over time, as during the scientific revolution of the 1600s. But more interestingly—at least I think it’s more interesting—even current...