- Mathematical developments increased rapidly around the time of the Italian Renaissance in the 16th century and continued through the scientific revolution of the 17th and 18th centuries, becoming increasingly abstract in the 19th and 20th centuries.
- You shed a complete layer of skin every 4 weeks.
- If you lick someone's elbow and they aren't paying attention, they will not notice it.
- Tomatoes are considered both fruits and vegetablesu2014the answer depends on whom you ask.
- Clinophobia is the fear of going to bed.
- All the blinking in one day equates to having your eyes closed for 30 minutes.
- The Bee Hummingbird weighs less than a penny.
- 20% of all the oxygen you breathe is used by your brain.
- Your blood is 6 times thicker than water.
- A garfish has green bones.
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