Whether on 90s-style chokers or old-school graphic tees, you've probably seen or heard of yin and yang. Two sides of the same coin, yang is marked by high-energy, activity, and heat, while yin is ...

4. Inter-transformation of yin and yang During metabolism there is inter-transformation of the living tissue for construction and energy for functional activities. Normally, the inter ...

The North is a communist country that has severe problems in distributing sufficient food and energy to its population. The South, in contrast, has benefited from the peace following the Korean War.