Your heart will pump about 212 million liters in its lifetime.
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A human being loses an average of 40 to 100 strands of hair a day.
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By weight, Bone is five times stronger than steel.
417
The human eye blinks an average of 4,200,000 times a year.
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It has been scientifically proven that stroking a cat can lower one's blood pressure!
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Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
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The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
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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