Dogs act like toddlers when you need help - but cats just watch. Scientists compared 3 groups: pet dogs, cats, and human toddlers in an experiment where a human parent hides and pretends to look for an object. 75% of dogs and children helped. Cats only helped if it was in their personal interest.

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In the spirit of joy, then, who is your favourite cricketer in the history of the men’s Ashes? Who gave you the best memories and biggest smiles? Botham for his sixes and wickets? Ricky Ponting for his centuries? Andrew Flintoff for his sledging and sportsmanship? This week our 51 judges have chosen their top 100. Who is your personal favourite?