By Vidya Rajan, Columnist, The Times Two books released over the last two years: Lars Chittka’s “Mind of a Bee” and Stephen Buchmann’s “What a Bee Knows: Exploring the Thoughts, Memories and Personalities of Bees” have thrown into turmoil the question of sentience – the capacity for feelings – of honeybees, and whether we humans truly understand the capabilities of minds that operate...