Evolution and motorcycles, musingly

John Long, a professor of paleontology at Flinders University, muses about motorcycles and evolution, in an essay published in The Conversation: “What evolution and motorcycles have in common: let’s take a ride across Australia.” It says, in small part:

“By sheer coincidence, the distance from Perth to Melbourne is about 3,500km, a route I travelled on my motorcycle back in 1996. Thus, every kilometre I did on that transcontinental ride represents a million years of Earth’s history since life first evolved. Thus, every metre represents a millennium, and every millimetre a year….