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Science Facts knewthis.com

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Science Facts Diamonds are the hardest substance known to man.   Hydrogen is the most abundant element in the Universe (75%).   The typewriter was invented in 1829, and the automatic dishwasher in 1889.   No matter its size or thickness, no piece of paper can be folded in half more than 7 times.   The only letter not appearing on the Periodic Table is the letter “J”.   Hydrofluoric acid will dissolve glass.   Sound travels about 4 times faster in water than in air.   There are between 100,000,000,000 and 1,000,000,000,000 stars in a normal galaxy.   The hottest planet in the solar system is Venus, with an estimated surface temperature of 864 F (462 C).   The longest living cells in the body are brain cells which can live an entire lifetime.   The Cerebrum, also called the forebrain, is responsible for our language, memory, movement and all. As you’re reading this and trying to understand it, you’re using your Cerebrum.   Each carbon nucleus