Teddy bears were named after U.S. President Theodore 'Teddy' Roosevelt.
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In 1996, research found that having excessive body hair is linked to higher intelligence.
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A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
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There are pictures of Knights fighting Snails in old Medieval manuscripts - and nobody knows why.
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The human sigh acts as a physiological reset button.
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When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
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