Late last year, after 18 years of litigation, a senior government official in Kerala, south-west India was given a prison sentence after being convicted of theft. The object he stole was government property, and it was so large he had to have it cut up to get it home. A piece of art, perhaps? A precious metal? Actually, it was a 40-year-old jackfruit tree, and, once you’ve tasted its fruit, you begin to understand why he did it. To say the jackfruit is big is an understatement. It is the largest tree-borne fruit on the planet – it isn’t unusual...