Southern China was the original center of multiple ancestral populations related to modern Hmong-Mien, Tai-Kadai, Austroasiatic, and Austronesian people. More recent genetic surveys have focused on ...
Tendons vary per person, but it's been found that having shorter tendons allow you to gain bigger muscles, while longer tendons make it harder to do so. Still, it's not all about how you're born.
The first admirable thing smart people do to make incompetent people hate them is asking questions with zero hesitation. Smart people understand that they don't know the answers to everything.