- The expression to 'knuckle down' originated from playing marbles (players used to put their knuckles to the ground for their best shots).
- Tachophobia is the fear of speed.
- Diamonds mined in Brazil are much harder than those found in Africa.
- Rabbits like licorice.
- If you could drive to the sun at a speed of 88.5 km/h (55 mp/h) it would take around 193 years.
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