A woman named Rachel Krishevsky who died at age 99 had 1,400 direct descendants.
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There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
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The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
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The world's longest traffic jam took place in Beijing, China. It was over 60 miles long and lasted 11 days.
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