- An individual blood cell takes about 60 seconds to make a complete circuit of the body.
- The word denim comes from 'de Nimes' or from Nimes which is a town in France.
- Dolphins can hear underwater sounds from 24km (15miles) away.
- Elephants communicate in sound waves below the frequency that humans can hear.
- Brazil accounts for 1/3 of the world's coffee production.
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