“In mechanical terms, humans are quite efficient converters of food into energy, so human slaves were often more valuable than animal slaves,… — David Christian Fossil fuel Copy Share Image
Modern scientific knowledge appeared piecemeal. Historians wrote about human history; physicists tackled the material world; and biologists studied the world of living… — David Christian Copy Share Image
“The modern world is ruled by larger and more impersonal forces, from faceless bureaucracies to abstractions such as “inflation,” or “the rule… — David Christian Modern world Copy Share Image
An egg is a beautiful, sophisticated thing that can create even more sophisticated things, such as chickens. And we know in our… — David Christian Beautiful Copy Share Image
“contain into new, durable configurations, which can handle huge energy flows without disintegrating. This, we will see, is the characteristic pattern of… — David Christian Copy Share Image
“Human knowledge, by its nature, has limits, so some questions must remain mysteries. Some religions treat such mysteries as secrets that the… — David Christian Buddhism Copy Share Image
