The explanations, particularly in the thorny field of quantum physics, are excellent, and the selectionofsubject matter skilfully winnows a vast field.
Cricket gives them the opportunity to watch world-class sportsmen, and the game is now well enough entrenched to have become the subjectof bitter wrangles over team selection, and the skills of the coach, the former West Indian batsman, Gordon Greenidge (who was granted Bangladeshi citizenship after the national team qualified for the World Cup).
What they have found is that about 1, 800 protein-coding genes, some 7% of the total known, show signs of having been subject to recent natural selection.