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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There are two types of bats at Guestwick: Common Pipistrelles and Natterer's. They roost high up in the rafters.

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“近代史上，我国落后挨打的根子之一就是科技落后”，揭示历史演进的深层原因。