A group of kittens is called a "kindle".
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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One litter of kittens can be produced by more than one father.
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There was a cable network called The Puppy Channel that, for 3 years, broadcast only broadcast footage of puppies playing.
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Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
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There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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A new born kangaroo is small enough to fit in a spoon!
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