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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Sport’s famous rivalry began in 1877 and since then 853 men have featured in Australia v England Tests. But who are the very best of the best?

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