- Bernhard Riemann was an influential German mathematician who contributed to differential geometry and analysis, paving the way for the development of general relativity by Albert Einstein.
- The opposite sides of a die always adds up to 7.
- To crack a whip the tip must be travelling faster than the speed of sound.
- New York contains 920km (571miles) of shoreline.
- The spikes of a newborn hedgehog begin to appear within 24 hours.
- The most abundant metal in the Earth's crust is aluminum.
- A bowling pin will fall at a tilt of 7.5 degrees.
- The brand Nokia is named after a place in Southern Finland.
- The 'you are here' arrow on maps is called an ideo locator.
- According to manufacturer Spalding the average lifespan of an NBA basketball is 10,000 bounces.
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