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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Babies crawl an average of 200m a day.
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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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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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Every human spent about half an hour as a single cell.
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We share 70% of our DNA with a slug.
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Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
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