Scientists are researching why there are more than 7,000 different languages on Earth.
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Bird song is lovely to hear, a romantic addition to any landscape, but what exactly does it mean? We'll find out, on today's Moment of Science.
The Greenlandic word for the number seven translates as, “second hand, two.” That means you count five on the first hand and add two from the second, to make seven. After you run out of fingers, go for the toes. Thirteen translates as “first foot, three.” That means you add all ten fingers plus three toes.