- Natural gas has no smell (the odor is artificially added so that people are able to identify leaks).
- Men change their minds 2 to 3 times more than women (women tend to take longer to make a decision but once they do they are more likely to stick to it).
- Hydrogen is the most abundant element in the Universe (75%).
- The doorbell was invented in 1831.
- Polar bears have black skin.
- A shark's teeth are literally as hard as steel.
- Elvis Presley made only 1 television commercial.
- You fart on average 14 times a day, and each fart travels from your body at 7 mph.
- 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 average person takes 23,000 breaths a day.
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