- Some cats are allergic to humans.
- The average age of a polar bear in the wild is 17 years.
- Fresh apples float because 25 percent of their volume is air.
- The expression to 'knuckle down' originated from playing marbles (players used to put their knuckles to the ground for their best shots).
- You brain weights 2% of your body weight though uses 20% of all oxygen you breathe and 15% of the bodys blood supply.
- Giraffes have no vocal cords.
- Gold never erodes.
- Pelicans consume around a 1/3 of its body weight in a single meal.
- Astronauts actually get taller when in space.
- India has over 50 million monkeys.
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