- The first human-made object to break the sound barrier was a whip.
- The most abundant metal in the Earth's crust is aluminum.
- The summer solstice marks the first day of summer and the longest day of the year.
- African Grey Parrots have vocabularies of over 200 words.
- Blue flames are the hottest, reaching temps up to 3,000 degrees Celsius.
- Roosters can't crow if they can't fully extend their necks.
- African elephants only have 4 teeth.
- Astronauts actually get taller when in space.
- In 75% of American households women manage the money and pay the bills.
- Moths have white blood.
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