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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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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A new born kangaroo is small enough to fit in a spoon!
7
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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A puppy is born blind, deaf, and toothless.
16
When cats are happy, they may squeeze their eyes shut.
10