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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The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
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Dolphins have names for one another.
18
A group of pugs is called a grumble.
10
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.
25
When dragonflies mate, their tails form a love heart.
22