Understanding Twins: Types, Facts, and the Unique Bonds They Share
Twins Matthew and Michael Youlden have developed a unique language called Umeri, spoken exclusively by them. The Youlden twins, originally
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Genetics
China is Collecting DNA From Tens of Millions of Men and Boys to Build a Genetic Map, Using US Gear
The police in China are accumulating blood samples from males and boys from around the nation to construct a
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