Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
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We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
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On average, there's 100 billion neurons in the human brain.
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Research has determined that most people are happiest at 7:26pm on a Saturday night.
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Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
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