The more scientists learn about life, consciousness, the earth, and the universe the harder it is to cling to the old Darwinian materialism so fashionable in the last century. Indeed, twentieth century materialism is beginning to look something like a philosophical version of alchemy. Alchemy seemed right during the medieval period but couldn't be sustained once our knowledge of chemistry began to grow in the 18th and 19th centuries. So it is with philosophical materialism today.
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