- 1 gigayear = 1,000,000,000,000 years.
- The average person goes to the toilet 6 times a day.
- African Grey Parrots have vocabularies of over 200 words.
- Hippopotamuses have skin 3.8cm (1.5in) thick.
- A camel can shut its nostrils during a desert sandstorm.
- A duck can't walk without bobbing its head.
- You burn more calories sleeping than watching TV.
- Light is electro magnetic radiation.
- A cat's nose is ridged with a unique pattern, just like a human fingerprint.
- The woodpecker can hammer wood up to 16 times per second.
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