Mongolia: 2 people/sq km
Mongolia: 2 people/sq km
A single teaspoon of soil contains more microorganisms than people on Earth
A teaspoon of soil harbors more microorganisms than Earth's human population
Sorbian languages
There are approximately 7,000 languages globally; one language goes extinct roughly every two weeks
List of countries and territories by number of land borders
Botswana-Zambia border: 150 meters
Lesotho–South Africa border
Lesotho is an enclave entirely surrounded by South Africa
Mandarin Chinese
Mandarin Chinese: ~920 million native speakers
Caspian Sea
The Caspian Sea is the world's largest inland body of water
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