In a discussion on Facebook, a young-earth creationist demanded “observable proof of macro-evolution.” I realized that the demand is rather akin to someone asking for observable proof of aging. Perhaps one can see “micro-aging” as it occurs in one’s cells. But what proof do you have that the younger person in the photo albums in your house has turned into the older person that you are now? Change happens – in the individual, in communities, and yes, in species. We can... Read more