- The hardest substance in the human body is enamel.
- If you could drive to the sun at a speed of 88.5 km/h (55 mp/h) it would take around 193 years.
- It takes a plastic container over 50,000 years to start decomposing.
- The first train reached a top speed of only 8 kmh (5 mph).
- Brazil accounts for 1/3 of the world's coffee production.
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