Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
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Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
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Approximately 70,000 people in the U.S. are both blind and deaf!
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If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
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In Korea, a child’s first birthday is the most important. In one part of the celebration, several items are placed on a table. The one that the baby picks up first is said to predict their future.
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One in 500 humans has one blue eye and one brown eye.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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The first man to swim the length of Great Britain grew a beard to stop jellyfish stinging his face.
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