The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
A study found that 68% experienced “phantom vibration syndrome” — a sensory hallucination where you mistakenly think your phone is buzzing.
16
Chocolate is lower in caffeine than tea, coffee and coca cola. A one ounce bar of chocolate contains about 6mg of caffeine, whereas a five ounce cup of regular coffee contains over 40mg.
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Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
The largest cell in the human body is the female egg and the smallest is the male sperm.
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Scientists in Germany have developed a candy that doesn't cause cavities.
11
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
A typical lead pencil can draw a line that is 35 miles long.
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