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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Everyone has one nostril that is larger than the other.
The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
There are more nerve cells in one human brain than there are stars in the Milky Way.
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