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Did you know?
Everyone has one nostril that is larger than the other.
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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
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There are 60,000 miles of blood vessels in every adult human.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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![The yellow-winged darter, Sympetrum flaveolum, is a dragonfly found in Europe and mid and Northern C](https://biology-forums.com/gallery/47/medium_12359_26_04_12_4_58_19.jpeg)