It starts with a look, a passing glance between strangers: one blazing through the cosmos at the speed of light, the other drifting slowly with its head in the clouds. The collision is unexpected but somehow inevitable, a union that promises some of the sweetness that lay beyond the rainbow. The heavier partner is excited beyond measure, active and hopeful. It never occurs to them that their marriage is borne of chance, of probability, of particle calculations drawn up on a chalkboard in a dusty old professor’s office….

We all know the lovable green dinosaur from the Mario series — so lovable she was the 3rd favourite video game character in all of Japan in 2008, and voted #1 sidekick by several sites. But is Yoshi just a pipe dream, as unfeasible as dinosaur cloning from Jurassic Park? This is not a simple question, and there is no simple answer. The road to resolution takes us through the cutie’s most notable traits: 1. Yoshi reproduces asexually. Yoshi never mates with anyone,  yet lays eggs regularly within…