Revolutions That Break with the Past Fail

Starting anew with a clean slate has been one of the most harmful ideas in history. It treats previous knowledge as an impediment and imagines that only present knowledge deployed in theoretical purity can make real the wondrous new vision. Thus the French Revolution of 1789, the Russian Revolution of 1917, and the Chinese Communist Revolution of 1949 each made brave new worlds that catastrophically failed. By cutting off continuity with the slower parts of their cultures they had no fallback...

 Herbal Remedies from Tribes Still Involve Science

Quinine comes from an infusion of the bark of a particular tree from the Amazon rain forest. How did pre-modern people ever discover that a tea made from this tree, of all the plants in the forest, would relieve the symptoms of malaria? They must have tried every tree and every plant - roots, stems, bark, leaves - tried chewing on them, mashing them up, making an infusion. This constitutes a massive set of scientific experiments continuing over generations, experiments that moreover could not...