Share 'Man’s Best (and Most Energy Efficient?) Friend'

My cousin Mark is a pretty smart guy who reads widely. (All my cousins are above average.) Here is what Mark sent to me in an e-mail about dogs: Professor Temple Grandin says that dogs are genetic wolves that have co-evolved with humans for 100,000 years, maybe more. Hence dogs and humans have complementary advantages and deficits. Humans used to have a better sense of hearing and smell, now d…