- Humans are the only primates that don't have pigment in the palms of their hands.
- The numerical digits we use today such as 1, 2 and 3 are based on the Hindu-Arabic numeral system developed over 1000 years ago..
- Jellyfish don't have a brain.
- A Sphygmomanometer measures blood pressure.
- Dairy products account for 29% of all food consumed in the U.S..
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