Did you hear about the recent discovery of the so-called Dreadnoughtus schrani dinosaur (found in Argentina)? When it lived on Earth it weighed some 85 tons. That’s 12 African elephants or 7 Tyrannosaurus Rexes. Or to translate into a modern equivalent, that’s over 40 Cadillac Escalades. That’s really, really big. So as usual that got me to think...